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  1. By: Younkerman Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Council Bluffs, Iowa, Younkerman Seed Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  2. By: Peter Henderson & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, Peter Henderson & Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  3. By: E.A. Martin Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Jacksonville, Fla, E.A. Martin Seed Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  4. By: Hart & Vick, Inc. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rochester, N.Y, Hart & Vick, Inc, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  5. By: Hetherington Seed and Grocery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hillsboro, Ohio, Hetherington Seed and Grocery Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  6. By: Muzzy Brothers. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Paterson, N.J, Muzzy Brothers, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  7. By: Conyers B. Fleu, Jr. (Firm) - Fleu, Conyers B., Jr. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Germantown, Philadelphia, Pa, Conyers B. Fleu, Jr, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  8. By: H.W. Gordinier & Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Troy, N.Y, H.W. Gordinier & Sons Company, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  9. By: Holmes Seed Store. - Holmes, Henry M. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Spartanburg, S.C, Holmes Seed Store, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  10. By: Aggeler & Musser Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Los Angeles, Calif, Published by Aggeler & Musser Seed Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  11. By: Dengg, Otto.
    Publication info: Leipzig, Hachmeister & Thal, [1920?]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  12. By: N.A. Hallauer (Firm) - Hallauer, N. A. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, N.Y, N.A. Hallauer, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  13. By: Pittman & Harrison Company. - Texas Seed Breeding Farms. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sherman, Tex, Pittman & Harrison Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  14. By: Slocum, Rob R. (Rob Roy),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  15. By: Kinghorne, J. W. (Joseph William)
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  16. By: Gowen, John W. (John Whittemore),
    Publication info: Orono, Maine Agricultural Experiment Station, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  17. By: Storrs & Harrison Co. - Painesville Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Painesville, Ohio, Storrs & Harrison Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  18. By: Shenandoah Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Shenandoah, Iowa, Shenandoah Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  19. By: American Forestry Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Boston, Mass, American Forestry Company, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  20. By: F.W. Kelsey Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, F.W. Kelsey Nursery Co, [1920?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  21. By: Almon S. Sawyer (Firm) - Sawyer, Almon S. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Mentor, Ohio, Almon S. Sawyer, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  22. By: Bell, William Blair,
    Edition: 2d ed.
    Publication info: London, Baillière, Tindall, and Cox, 1920
    Holding Institution: University of California Libraries
  23. By: Bell, William Blair,
    Edition: 2D ed.
    Publication info: London, Baillière, Tindall and Cox, 1920
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  24. By: Newark (N.J.). Department of Parks and Public Property.
    Publication info: [Newark, 1920]
    Holding Institution: University of California Libraries
  25. By: Kleinheinz, Frank.
    Edition: 5th ed.
    Publication info: Madison, Wis, The author, 1920
    Holding Institution: University of California Libraries
  26. By: Zhu, Xifang 朱羲方
    Publication info: xin xue hui she 新学会社,
    Holding Institution: Institute of Botany, Chinese Academy of Sciences
  27. By: J.D. Long (Firm) - Long, J. D. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Boulder, Colo, J.D. Long, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  28. By: White, David, - Geological Survey (U.S.)
    Publication info: Washington, D.C, U.S. G.P.O, 1920
    Holding Institution: Smithsonian Libraries and Archives
  29. By: McClure, H. B. (Harry B.),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  30. By: Fruitland Nurseries (Augusta, Ga.) - Fruitland Nurseries (Augusta, Ga.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Augusta, Ga, Fruitland Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  31. By: Simpson Seed and Floral Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Denver, Colo, Simpson Seed and Floral Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  32. By: H.W. Gordinier & Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Troy, N.Y, H.W. Gordinier & Sons Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  33. By: Pia, Julius,
    Publication info: Wien, Zool.-Bot. Gesellschaft, 1920
    Holding Institution: University of Connecticut Libraries
  34. By: Anton Schultheis (Firm) - Schultheis, Anton. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: College Point, N.Y, Anton Schultheis, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  35. By: W.C. Slate (Firm) - Slate, W. C. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: South Boston, Va, W.C. Slate, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  36. By: University of the State of New York. Visual Instruction Division.
    Publication info: Albany, N.Y, 1920
    Holding Institution: Cornell University Library
  37. By: John H. Slocombe (Firm) - Slocombe, John H., - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New Haven, Conn, John H. Slocombe, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  38. By: Petronijević, Branislav,
    Publication info: Beograd, Izd. Sveslovenske knjiare M. J. Stefanovia, 1920
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  39. By: A.R. Weston & Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Bridgman, Mich, A.R. Weston & Company, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  40. By: LaFrance Plant and Fruit Farm. - Dixon, F. W. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Holton, Kan, LaFrance Fruit and Plant Farm, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  41. By: Smithsonian Institution - Fowle, Frederick E.
    Edition: 7th rev. ed. Prepared by Frederick E. Fowle ...
    Publication info: Washington, Smithsonian institution, 1920
    Holding Institution: University of California Libraries
  42. By: Harris, Franklin Stewart,
    Publication info: New York, J. Wiley, 1920
    Holding Institution: University of Toronto - Earth Sciences Library (Noranda)
  43. By: Harris, Franklin Stewart,
    Publication info: New York, J. Wiley, 1920
    Holding Institution: University of California Libraries
  44. By: Harris, Franklin Stewart,
    Publication info: New York, J. Wiley, 1920
    Holding Institution: Library of Congress
  45. By: Byars, Luther Parris, - Gilbert, William W. (William Williams),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  46. By: Hall, A. Daniel (Alfred Daniel), Sir,
    Edition: 3d ed., rev. and enl.
    Publication info: New York, Dutton, 1920
    Holding Institution: University of Toronto - Earth Sciences Library (Noranda)
  47. By: Cameron, Frank K. (Frank Kenneth),
    Publication info: Easton, Pa, The Chemical publishing co.; [etc., etc.], 1920
    Holding Institution: University of California Libraries
  48. By: Eckmann, E. C. - Baldwin, Mark. - Carpenter, E. J. (Eugene Johnson), - United States. Bureau of Soils. - United States. Department of Agriculture.
    Publication info: Washington, Govt. Print. Office, 1920
    Holding Institution: University of California Libraries
  49. By: Lyon, T. L. (Thomas Lyttleton), - Fippin, Elmer O. (Elmer Otterbein), - Buckman, Harry O.,
    Publication info: New York Macmillan 1920
    Holding Institution: University of Toronto - Robarts Library
  50. By: Espino, Rafael B.,
    Publication info: Manila, Bureau of printing, 1920
    Holding Institution: University Library, University of Illinois Urbana Champaign
  51. By: Tressler, Donald Kiteley,
    Publication info: Washington, Govt. print. off, 1920
    Holding Institution: Library of Congress
  52. By: Smith, Raymond Stratton,
    Publication info: Ithaca, N.Y, 1920
    Holding Institution: Library of Congress
  53. By: Morse, W. J. (Warner Jackson),
    Publication info: Orono, Maine Agricultural Experiment Station, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  54. By: Moore, Emmeline,
    Publication info: Washington, Govt. print. off, 1920
    Holding Institution: Library of Congress
  55. By: Hunter, Andrew,
    Publication info: Ottawa, 1920
    Holding Institution: Cornell University Library
  56. By: Brossard, Edgar Bernard,
    Publication info: Logan, Utah, 1920
    Holding Institution: Library of Congress
  57. By: Haagner, Alwin (Alwin Karl),
    Publication info: London, H. F. & G. Witherby, 1920
    Holding Institution: Multiple institutions
  58. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  59. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  60. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  61. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  62. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Publicaciones en Español | Smithsonian Field Books collection
  63. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  64. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  65. By: Geo. B. McVay, Jr. (Firm) - McVay, Geo. B., Jr. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [Birmingham, Ala.], Geo. B. McVay, Jr, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  66. By: Glen Saint Mary Nurseries Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Glen Saint Mary, Fla, Glen Saint Mary Nurseries Co, c1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  67. By: Southwest Museum (Los Angeles, Calif.) - Council of the Southwest Science Association.
    Publication info: Los Angeles, Calif, Southwest Museum, [1920-1921]
    Holding Institution: Smithsonian Libraries and Archives
  68. By: United States. Department of Agriculture.
    Publication info: Washington, Govt. Prin. Off, 1920
    Holding Institution: Library of Congress
  69. By: L. Späth (Firm)
    Publication info: Berlin, L. Späth, 1920
    Holding Institution: University Library, University of Illinois Urbana Champaign
  70. By: Wagner Park Nursery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sidney, Ohio, Wagner Park Nursery Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  71. By: Western Seed and Irrigation Company. - Emerson, Lowell - Emerson, Frank T. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fremont, Neb, Western Seed and Irrigation Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  72. By: Stumpp & Walter Co. (New York, N.Y.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York City, N.Y, Stumpp & Walter Co, [1920?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  73. By: Harrison's Nurseries (Berlin, Md.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Berlin, Md, Harrison's, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  74. By: E.F. Winterson Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Chicago, Ill, E.F. Winterson Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  75. By: K. van Bourgondien & Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hillegom, Holland, K. Van Bourgondien & Sons, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  76. By: Palisades Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sparkill, N.Y, Palisades Nurseries, Inc, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  77. By: W. Atlee Burpee Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Philadelphia, Pa, W. Atlee Burpee & Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  78. By: Denison Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Denison, Iowa, Denison Seed Company, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  79. By: J.M. Thorburn & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Edition: 119th annual edition.
    Publication info: New York City, N.Y, J.M. Thorburn & Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  80. By: Harrison's Nurseries (Berlin, Md.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Berlin, Md, Harrisons', [1920?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  81. By: Greening Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Monroe, Mich, Greening Nursery Company, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  82. By: Great Northern Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockford, Ill, Great Northern Seed Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  83. By: Thomas Meehan and Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Germantown, Philadelphia, Pa, Thomas Meehan & Sons, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  84. By: Waukegan Nursery. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Waukegan, Ill, R. Douglas' Sons, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  85. By: Western Seed and Irrigation Company. - Emerson, Lowell. - Emerson, William. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fremont, Neb, Western Seed & Irrigation Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  86. By: Western Seed and Irrigation Company. - Emerson, Lowell. - Emerson, William. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fremont, Neb, Western Seed & Irrigation Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  87. By: Western Seed and Irrigation Company. - Emerson, Lowell. - Emerson, William. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fremont, Neb, Western Seed & Irrigation Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  88. By: Western Seed and Irrigation Company. - Emerson, Lowell. - Emerson, William. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fremont, Neb, Western Seed & Irrigation Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  89. By: Western Seed and Irrigation Company. - Emerson, Lowell. - Emerson, William. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fremont, Neb, Western Seed & Irrigation Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  90. By: Western Seed and Irrigation Company. - Emerson, Lowell. - Emerson, William. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fremont, Neb, Western Seed & Irrigation Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  91. By: Western Seed and Irrigation Company. - Emerson, Lowell. - Emerson, William. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fremont, Neb, Western Seed & Irrigation Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  92. By: Western Seed and Irrigation Company. - Emerson, Lowell. - Emerson, William. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fremont, Neb, Western Seed & Irrigation Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  93. By: Jelle Roos (Firm) - Roos, Jelle. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Milton, Mass, Jelle Roos, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  94. By: Naperville Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Naperville, DuPage County, Ill, Naperville Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  95. By: A.A. Berry Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Clarinda, Iowa, A.A. Berry Seed Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  96. By: A.A. Berry Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Clarinda, Iowa, A.A. Berry Seed Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  97. By: A.A. Berry Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Clarinda, Iowa, A.A. Berry Seed Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  98. By: A.A. Berry Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Clarinda, Iowa, A.A. Berry Seed Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  99. By: Fountain Valley Nursery. - Smith, Howard. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Poy Sippi, Wisconsin, Fountain Valley Nursery, [1920?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  100. By: Amawalk Nursery. - Smith, Evelyn W. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Amawalk, Westchester County, N.Y, Amawalk Nursery, Incorporated, c1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  101. By: Mitchelson, A. T. (Albert Thomas),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  102. By: Spokane Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Spokane, Wash, Spokane Seed Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  103. By: Conyers, Dorothea,
    Edition: 2nd ed.
    Publication info: London, Methuen & Co, 1920
    Holding Institution: Webster Family Library of Veterinary Medicine
  104. By: Millais, John Guille,
    Publication info: Boston and New York, Houghton Mifflin company, 1920
    Holding Institution: University of California Libraries
  105. By: Brooks, Fred E. (Fred Ernest),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  106. By: Britton, Wilton Everett, - Clinton, G. P. (George Perkins),
    Publication info: [New Haven], Connecticut Agricultural Experiment Station, 1920
    Holding Institution: University of Connecticut Libraries
  107. By: Hutchinson Nurseries. - Hutchinson, P. H. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Kearney, Neb, Hutchinson Nurseries, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  108. By: Champion City Greenhouses (Springfield, Ohio) - Good & Reese Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Springfield, Ohio, Good & Reese Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  109. By: Clarence B. Fargo (Firm) - Fargo, Clarence B. (Clarence Brinton), - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Frenchtown, N.J, Clarence B. Fargo, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  110. By: Thomas J. Grey Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Boston, Mass, Thos. J. Grey Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  111. By: Botzum Bros. Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Cleveland, Ohio, Botzum Bros. Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  112. By: Framingham Nurseries (Framingham, Mass.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Framingham, Mass, Framingham Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  113. By: Fullhart Nursery. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Muncie, Ind, Fullhart Nursery, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  114. By: E.W. Potter (Firm) - Potter, E. W. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Leslie, Mich, E.W. Potter, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  115. By: Steele's Shrewsbury Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Eatontown, N.J, Steele's Shrewsbury Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  116. By: Elizabeth Nursery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Elizabeth, N.J, Elizabeth Nursery Company, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  117. By: Princeton Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Princeton, N.J, Princeton Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  118. By: North Bend Nurseries. - Stevenson, J. W. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: North Bend, Dodge County, Neb, North Bend Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  119. By: Charles G. Curtis Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Callicoon, N.Y, Charles G. Curtis Company, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  120. By: J.E. Jackson (Firm) - Jackson, J. E. (Jean Elizabeth) - Piedmont Greenhouses. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Gainesville, Ga, J.E. Jackson, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  121. By: Randall-McLoughlin. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [Seattle, Wash.], Randall-McLoughlin, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  122. By: Texas Seed & Plant Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Dallas, Tex, Texas Seed & Plant Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  123. By: State Nursery & Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Helena, Mont, State Nursery and Seed Company, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  124. By: H.H. Berger & Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, H .H. Berger & Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  125. By: Tucker-Mosby Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Memphis, Tenn, Tucker-Mosby Seed Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  126. By: Dow Nurseries. - Dow, D. Webster. - Tufts, J. A., Jr. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: North Epping, N.H, Dow Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  127. By: Arthur T. Boddington (Firm) - Arthur T. Boddington (Firm) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York City, N.Y, Arthur T. Boddington Inc, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  128. By: Glen Brothers. - Glenwood Nursery (Rochester, N.Y.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rochester, N.Y, Glen Brothers, Inc, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  129. By: Watson, James D, - Lewis, George Porter, - Leopold, Nathan Freudenthal,
    Publication info: [Chicago], [G.W. Lewis Pub. Co.], [1920?]
    Holding Institution: Field Museum of Natural History Library
    BHL Collections: Blog Features
  130. By: Lewis Roesch (Firm) - Roesch, Lewis. - West Hill Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fredonia, N.Y, West Hill Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  131. By: Progress Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Troy, Ohio, Progress Nursery Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  132. By: Suburban Seed Company (La Grange, Ill.) - Bivans, A. W. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: La Grange, Ill, Suburban Seed Company, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  133. By: Breck-Robinson Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Lexington, Mass, Breck-Robinson Nursery Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  134. By: Robbins, E.C. (Firm) - Robbins, E.C. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Pineola, N.C, E.C. Robbins, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  135. By: Champion City Greenhouses (Springfield, Ohio) - Good & Reese Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Springfield, Ohio, Good & Reese Company, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  136. By: Darwin, Francis, Sir, - Oliver and Boyd (Edinburgh, Scotland),
    Publication info: London, John Murray, 1920
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
  137. By: Tolley, H. R. (Howard Ross), - Church, L. M. (Lillian M.),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  138. By: Reynolds, Charles B. (Charles Bingham),
    Publication info: Havana, Foster & Reynolds, 1920, c1905
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  139. By: American Rabbit Breeders Association.
    Publication info: Cleveland?, 1920
    Holding Institution: Library of Congress
  140. By: Wm. T. Philipps & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toledo, Ohio, Wm. T. Philipps & Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  141. By: Stanford University.
    Publication info: Stanford University, Calif, University Press, 1920-53
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  142. By: Stark Bro’s Nurseries & Orchards Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Louisiana, Mo, Stark Bro's Nurseries, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  143. By: Stark Bro’s Nurseries & Orchards Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Louisiana, Mo, Stark Bro's Nurseries, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  144. By: Stark Bro’s Nurseries & Orchards Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Louisiana, Mo, Stark Bro's, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  145. By: Stark Bro’s Nurseries & Orchards Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [Louisiana, Mo.], Stark Bro's, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  146. By: Stark Bro’s Nurseries & Orchards Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [Louisiana, Mo.], Stark Bro's, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  147. By: British Empire Forestry Conference (1st : 1920 : London, England)
    Publication info: Sydney, William Applegate Gullick, Govt. printer, 1920
    Holding Institution: University of British Columbia Library
  148. By: United States. Department of Agriculture.
    Publication info: Wash, 1920
    Holding Institution: Library of Congress
  149. By: J. Steckler Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New Orleans, La, Steckler, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  150. By: Stephen Hoyt's Sons Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New Canaan, Conn, The Company, [1920?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  151. By: Stokes Seed Farms Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Moorestown, N.J, Stokes Seed Farms, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  152. By: Cruess, W. V. - Bjarnason, S. A. (Stefan August) - Overholser, E. L. (Earle Long),
    Publication info: Berkeley, Cal, Agricultural Experiment Station, 1920
    Holding Institution: University of California, Davis Libraries
  153. By: Slusser, Effie Young. - Williams, Mary Belle. - Beeson, Emma Burbank, - Waldo, Lillian McLean,
    Publication info: New York, C. Scribner's sons, [c1920]
    Holding Institution: University of California Libraries
  154. By: Russell, Charles Edward,
    Publication info: New York, Harper & Brothers, [c1920]
    Holding Institution: New York Public Library
  155. By: Russell, Charles Edward,
    Publication info: New York and London, Harper & brothers, [1920]
    Holding Institution: University of California Libraries
  156. By: Russell, Charles Edward,
    Publication info: New York, Harper, [1920]
    Holding Institution: University of Toronto - Robarts Library
  157. By: J. L. Schiller (Firm) - Schiller, J. L. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toledo, Ohio, J. L. Schiller, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  158. By: Dyer, William Spafford, - University of Toronto.
    Publication info: [Toronto, The United Press], [192-?]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  159. By: Willard B. Kille (Firm) - Kille, Willard B. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Swedesboro, N.J, Willard B. Kille, [1920?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  160. By: Daniels Nursery. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Long Lake, Minn, Daniels Nursery, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  161. By: Henry Emlong & Sons. - Stevensville Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Stevensville, Mich, Henry Emlong & Sons, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  162. By: Arkansas Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fayetteville, Ark, Arkansas Nursery Company, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  163. By: C.E. Whitten's Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Bridgman, Mich, C.E. Whitten & Son, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  164. By: Somerville, E. . - Ross, Martin,
    Publication info: London, Longmans, Green, 1920
    Holding Institution: Webster Family Library of Veterinary Medicine
  165. By: Mulford, Furman Lloyd,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  166. By: Scott, Dukinfield Henry,
    Edition: Ed. 3.
    Publication info: London, Black, 1920-23
    Holding Institution: University of Toronto - Robarts Library
  167. By: Woolsey, Theodore S. (Theodore Salisbury), - Greeley, William B. (William Buckhout),
    Publication info: New York, Wiley, 1920
    Holding Institution: Cornell University Library
  168. By: Woolsey, Theodore S. (Theodore Salisbury), - Greeley, William B. (William Buckhout),
    Publication info: New York, John Wiley & sons, inc. ; [etc., etc.], 1920
    Holding Institution: Library of Congress
  169. By: Woolsey, Theodore S. (Theodore Salisbury), - Greeley, William B. (William Buckhout),
    Publication info: New York, Wiley, 1920
    Holding Institution: NCSU Libraries
  170. By: Woolsey, Theodore S. (Theodore Salisbury), - Greeley, William B. (William Buckhout),
    Publication info: New York, Wiley, 1920
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  171. By: Carlson, George Lloyd,
    Edition: 8th ed.
    Publication info: Winnipeg?, s.n, 1920?
    Holding Institution: Canadiana.org
  172. By: McDunnough, James H. (James Halliday) - Canada. Division of Entomology.
    Publication info: Ottawa, T. Mulvey, 1920
    Holding Institution: Canadiana.org
  173. By: Mortensen, Theodor,
    Publication info: Washington, Carnegie Institution of Washington, 1920
    Holding Institution: Smithsonian Libraries and Archives
  174. By: Stevenson, Albert Fletcher, - Peck, George C., - Phelps, Earle Bernard, - Rhynus, Clarence Paulding, - United States. Public Health Service.
    Publication info: Washington, Govt. print. off, 1920
    Holding Institution: Library of Congress
  175. By: Skogsberg, Tage,
    Publication info: Uppsala, Almqvist & Wiksells boktryckeri-a.-b, 1920
    Holding Institution: Smithsonian Libraries and Archives
  176. By: Skogsberg, Tage,
    Publication info: [Uppsala, Almqvist & Wiksells], [1920]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  177. By: Collip, J. B.
    Publication info: Baltimore, Waverly Press, [1920?]
    Holding Institution: Canadiana.org
  178. By: Kudo, Richard R. (Richard Roksabro),
    Publication info: Urbana, Ill, University of Illinois, c1920
    Holding Institution: University Library, University of Illinois Urbana Champaign
  179. By: Richmond, Edward Avery - American Museum of Natural History
    Publication info: New York, American Museum of Natural History, [1920]
    Holding Institution: Smithsonian Libraries and Archives
  180. By: Phillips, W. J. (William Jeter),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  181. By: Reinlein, Fred,
    Publication info: Portland, Or, c1920
    Holding Institution: Library of Congress
  182. By: Benjamin, Earl W. (Earl Whitney),
    Publication info: Ithaca, N.Y, Cornell University, 1920
    Holding Institution: University of California Libraries
  183. By: Benjamin, Earl W. (Earl Whitney),
    Publication info: Ithaca, N.Y, 1920
    Holding Institution: Cornell University Library
  184. By: Benjamin, Earl W. (Earl Whitney),
    Publication info: Ithaca, 1920
    Holding Institution: Library of Congress
  185. By: Sturtevant, Arnold Parker,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  186. By: Funk, Ruth Scovell.
    Publication info: 1920
    Holding Institution: University Library, University of Illinois Urbana Champaign
  187. By: Wegerly, La Fayette.
    Publication info: Indianapolis, Cotton Picker company of America, [c1920]
    Holding Institution: Library of Congress
  188. By: Caldene Clothing Co.
    Publication info: Mytholmroyd, [England], Caldene Clothing Co, 192-?
    Holding Institution: Webster Family Library of Veterinary Medicine
  189. By: Shirley, Jasper N.
    Publication info: Indianapolis, Ind, 1920
    Holding Institution: Library of Congress
  190. By: Jackson, Homer W. (Homer Wesley),
    Publication info: Quincy, Ill, Reliable poultry journal publishing company, c1920
    Holding Institution: Library of Congress
  191. By: Kelsey, Harlan P. - Harlan P. Kelsey (Firm) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Salem, Mass, Harlan P. Kelsey, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  192. By: Dale, J. K. (Julian Kalfus), - Hudson, C. S. (Claude Silbert),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  193. By: W. Atlee Burpee Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Philadelphia, Pa, W. Atlee Burpee Co, c1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  194. By: Summit Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Monticello, Fla, Summit Nurseries, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  195. By: Diggs & Beadles, Inc. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Richmond, Va, Diggs & Beadles, Incorporated, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  196. By: Riverside Nursery (Spokane, Wash.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Spokane, Wash, Riverside Nursery, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  197. By: Franken Bros. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Deerfield, Ill, Franken Brothers, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  198. By: Barteldes Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oklahoma City, Okla, Barteldes Seed Company, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  199. By: Townsend, Charles Wendell, - Townsend, Charles Wendell,
    Publication info: Cambridge, Mass, The Club, 1920
    Holding Institution: Cornell University Library
  200. By: Townsend, Charles Wendell, - Townsend, Charles Wendell,
    Publication info: Cambridge, Mass, The Club, 1920
    Holding Institution: Smithsonian Libraries and Archives
  201. By: Botanic Gardens (Singapore)
    Publication info: 1920
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  202. By: Joe Shadow Nursery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Winchester, Tenn, Joe Shadow Nursery Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  203. By: Greening Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Monroe, Mich, Greening Nursery Co, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  204. By: I.W. Alexander (Firm) - Alexander, I. W. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: La Conner, Wash, I.W. Alexander, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  205. By: William A. Davis Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Bozeman, Mont, William A. Davis Company, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  206. By: Stein and Noyes Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Dansville, N.Y, Stein & Noyes Nurseries, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  207. By: Howard Rose Company. - Howard, Chas. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hemet, Calif, Chas. Howard, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  208. By: Howard Rose Company. - Howard, Chas. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hemet, Calif, Chas. Howard, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  209. By: J.E. Hoopes & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Muscatine, Iowa, J.E. Hoopes & Co, [1920]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  210. By: Haberbosch, Paul,
    Publication info: Aarau, H.R. Sauerländer, 1920
    Holding Institution: Smithsonian Libraries and Archives
  211. By: Coe, H. S. - Martin, John N. (John Nathan),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: Multiple institutions
  212. By: Marsh, C. Dwight (Charles Dwight),
    Publication info: Washington, 1920
    Holding Institution: Library of Congress
  213. By: Reinheimer, H.
    Publication info: London, Headley, 1920
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  214. By: Reinheimer, H.
    Publication info: [London], Headley brothers, 1920
    Holding Institution: University of California Libraries
  215. By: Thomson, J. Arthur (John Arthur),
    Publication info: London, Williams & Norgate, 1920
    Holding Institution: University of Toronto - St. Michael’s College (John M. Kelly Library)
  216. By: Thomson, J. Arthur (John Arthur),
    Publication info: London, Williams & Norgate, 1920
    Holding Institution: University of Toronto - St. Michael’s College (John M. Kelly Library)
  217. By: Thomson, J. Arthur (John Arthur),
    Publication info: New York, H. Holt and company, 1920
    Holding Institution: NCSU Libraries
  218. By: Thomson, J. Arthur (John Arthur),
    Publication info: New York, H. Holt and Company, 1920
    Holding Institution: MBLWHOI Library
  219. By: Thomson, J. Arthur (John Arthur),
    Publication info: New York, H. Holt and company, 1920
    Holding Institution: University of California Libraries
  220. By: Thomson, J. Arthur (John Arthur),
    Publication info: New York, H. Holt and Company, 1920
    Holding Institution: University of California Libraries
  221. By: Valgren, V. N. (Victor Nelson),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  222. By: St. John, Harold,
    Publication info: Boston, Gray Herbarium of Harvard University, 1921
    Holding Institution: University of California Libraries
  223. By: United States. Forest Service.
    Publication info: Washington, Govt. print. off, 1921
    Holding Institution: Library of Congress
  224. By: Calderwood, W. L. (William Leadbetter),
    Edition: 2nd ed., rev.
    Publication info: London, E. Arnold, 1921
    Holding Institution: University of Toronto - Robarts Library
  225. By: Calderwood, W. L. (William Leadbetter),
    Edition: 2nd. ed., rev.
    Publication info: London, E. Arnold, 1921
    Holding Institution: University of California Libraries
  226. By: Botanischer Garten Kassel.
    Publication info: Cassel, Germany, Botanischer Schulgarten, 1921, 1922
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Seed & Nursery Catalogs
  227. By: San Francisco Bay Marine Piling Committee. - Blum, Harold F. (Harold Francis), - Dore, Walter Harrington, - Kofoid, Charles A. (Charles Atwood), - Miller, Robert Cunningham, - American Wood-Preservers' Association. - National Research Council (U.S.)
    Publication info: San Francisco, Calif, The Committee, 1921-23
    Holding Institution: University of California Libraries
  228. By: Pierce, W. Dwight (William Dwight),
    Publication info: Boston, R. G. Badger, [1921]
    Holding Institution: Multiple institutions
  229. By: Burgess, A. F. (Albert Franklin),
    Publication info: Wash, 1921
    Holding Institution: Library of Congress
  230. By: Farthing, F. Hadfield
    Publication info: London, Richards, 1921
    Holding Institution: University of California Libraries
  231. By: Charles F. Saul (Firm) - Saul, Charles F. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Syracuse, N.Y, Charles F. Saul, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  232. By: Chapman, Abel,
    Publication info: London [etc.], Gurney and Jackson, 1921
    Holding Institution: Multiple institutions
  233. By: Pease, E. Lloyd.
    Publication info: London, Humphreys, 1921
    Holding Institution: Webster Family Library of Veterinary Medicine
  234. By: Walter S. Schell (Firm) - Schell, Walter S. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Harrisburg, Pa, Walter S. Schell, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  235. By: Schmidt & Botley Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Springfield, Ohio, Schmidt & Botley Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  236. By: Schultz's Seed Store (Washington, D.C.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Washington, D.C, Schultz's Seed Store, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  237. By: Otto Schwill & Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Memphis, Tenn, Otto Schwill & Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  238. By: Van Slyke, Lucius L. (Lucius Lincoln), - Publow, Charles A. (Charles Albert),
    Publication info: New York, O. Judd Co, 1921, c1909
    Holding Institution: Boston Public Library
  239. By: Transeau, Edgar Nelson, - Transeau, Edgar Nelson,
    Publication info: Yonkers-on-Hudson, N. Y, World Book Co, 1921
    Holding Institution: Multiple institutions
  240. By: Fulcher, Gordon S. (Gordon Scott),
    Publication info: Washington, D. C, National research council, 1921
    Holding Institution: University of California Libraries
  241. By: Cavendish, Henry, - Larmor, Joseph, Sir, - Maxwell, James Clerk, - Thorpe, T. E., (Thomas Edward), Sir,
    Publication info: Cambridge, University Press, 1921
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  242. By: Mieli, Aldo,
    Publication info: Roma, A. Nardecchia, 1921-
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  243. By: Scobie & Parker Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Pittsburgh, Pa, Scobie & Parker Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  244. By: Lowland Rhododendron Farm. - Corbett, L. C. (Lee Cleveland), - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Kingston, R.I, L.F. Kinney, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  245. By: O.M. Scott & Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Marysville, Ohio, O.M. Scott & Sons Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  246. By: O.M. Scott & Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Marysville, Ohio, O.M. Scott & Sons Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  247. By: O.M. Scott & Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Marysville, Ohio, O.M. Scott & Sons Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  248. By: S.D. Riegel & Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Griffin, Ga, S.D. Riegel & Sons, [1921?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  249. By: Sea Cliff Dahlia Gardens. - Hodgens, Aimee, Miss. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: San Francisco, Calif, Miss Aimee Hodgens, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  250. By: Colmant Nursery Company. - Colmant, J. M. - Colmant, O. L. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: West End, Ala, Colmant Nursery Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
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  1. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 12
    Date: 1919-07-17
    Page Range: 46--46
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  2. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 12
    Date: 1919-07-17
    Page Range: 47--47
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  3. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 12
    Date: 1919-07-17
    Page Range: 45--45
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  4. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 13
    Date: 1919-07-26
    Page Range: 52--52
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  5. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 13
    Date: 1919-07-26
    Page Range: 51--51
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  6. By: Green, Wyman Reed,
    Type: Article
    In: The Biological bulletin
    Volume: 37
    Date: 1919-08-01
    Page Range: 49--95
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  7. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1919-08-31
  8. By: Barnhart, John Hendley,
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 20
    Issue: 237
    Date: 1919-09
    Page Range: 171--181
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  9. By: Kasai, Katsuya
    Type: Article
    In: The Journal of parasitology
    Volume: 6
    Issue: 1
    Date: 1919-09
    Page Range: 1--10
    Publication Info: Chicago [etc.],
  10. By: Osborn, T G B
    Type: Article
    In: Annals of botany
    Volume: 33
    Date: 1919-10
    Page Range: 485--516
    Publication Info: London, Academic Press [etc.],
  11. By: Arber, Agnes Robertson,
    Type: Article
    In: Annals of botany
    Volume: 33
    Date: 1919-10
    Page Range: 459--465
    Publication Info: London, Academic Press [etc.],
  12. By: Steinberg, R A
    Type: Article
    In: American journal of botany
    Volume: 6
    Issue: 8
    Date: 1919-10
    Page Range: 330--356
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  13. By: Sprague, A. C.,
    Type: Correspondence
    In: Walter Deane correspondence. Senders A-Z
    Date: 1919-10-12
  14. By: Sprague, A. C.,
    Type: Correspondence
    In: Walter Deane correspondence. Senders A-Z
    Date: 1919-10-18
  15. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1919-10-22
  16. By: Sprague, A. C.,
    Type: Correspondence
    In: Walter Deane correspondence. Senders A-Z
    Date: 1919-10-27
  17. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 16
    Date: 1919-10-30
    Page Range: 62--62
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  18. By: Britton, Nathaniel Lord,
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 20
    Issue: 239
    Date: 1919-11
    Page Range: 220--220
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  19. By: Rusby, Henry Hurd,
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 20
    Issue: 239
    Date: 1919-11
    Page Range: 211--216
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  20. By: Steinberg, R A
    Type: Article
    In: American journal of botany
    Volume: 6
    Issue: 9
    Date: 1919-11
    Page Range: 357--372
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  21. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1919-11-30
  22. By: Darling, S. T.
    Type: Article
    In: The Journal of parasitology
    Volume: 6
    Issue: 2
    Date: 1919-12
    Page Range: 98--101
    Publication Info: Chicago [etc.],
  23. By: Saunders, William Edwin,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 33
    Issue: 6
    Date: 1919-12
    Page Range: 118--118
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  24. By: Suksdorf, Wilhelm,
    Type: Correspondence
    In: Walter Deane correspondence. Senders A-Z
    Date: 1919-12-22
  25. By: Hitchcock, A. S. (Albert Spear), - Gleason, Henry A. (Henry Allan),
    Type: List
    In: Plant lists : British Guiana
    Date: 1919-1920
    Publication Info: [1919-1923]
  26. By: Bavay, Arthur,
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 26
    Issue: 7
    Date: 1920
    Page Range: 638--639
    Publication Info: Paris Imprimerie nationale 1907-1971
  27. By: Daniel, Franz - Pfeiffer, Ernst
    Type: Article
    In: Mitteilungen der Münchner Entomologischen Gesellschaft
    Volume: 10
    Date: 1920
    Page Range: 35--43
    Publication Info: München, Münchner Entomologische Gesellschaft,
  28. Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 78--84
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  29. By: Edwards, F W
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 6
    Series: 9
    Date: 1920
    Page Range: 365--368
    Publication Info: London Taylor and Francis, Ltd
  30. By: Mosely, Martin E. (Martin Ephraim),
    Type: Article
    In: Transactions of the Entomological Society of London
    Volume: 67
    Date: 1920
    Page Range: 393--397
    Publication Info: London, The Society,
  31. By: Dixey, Frederick Augustus
    Type: Article
    In: Transactions of the Entomological Society of London
    Volume: 67
    Date: 1920
    Page Range: 383--390
    Publication Info: London, The Society,
  32. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 166--176
    Publication Info: [S.l s.n 1905]-
  33. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 219--224
    Publication Info: [S.l s.n 1905]-
  34. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 43--49
    Publication Info: [S.l s.n 1905]-
  35. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 101--108
    Publication Info: [S.l s.n 1905]-
  36. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 143--153
    Publication Info: [S.l s.n 1905]-
  37. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 16--23
    Publication Info: [S.l s.n 1905]-
  38. By: Mackenzie, Kenneth K. (Kenneth Kent),
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 157--165
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  39. By: Thomas, Oldfield,
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 26
    Date: 1920
    Page Range: 933--940
    Publication Info: Bombay Bombay Natural History Society 1886-
  40. By: Thomas, Oldfield,
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 27
    Date: 1920
    Page Range: 25--25
    Publication Info: Bombay Bombay Natural History Society 1886-
  41. By: Thomas, Oldfield,
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 27
    Date: 1920
    Page Range: 248--249
    Publication Info: Bombay Bombay Natural History Society 1886-
  42. By: Fernald, Merritt Lyndon,
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 55--56
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  43. By: Pennell, Francis W. (Francis Whittier),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 72
    Date: 1920
    Page Range: 136--188
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  44. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 170--170
    Publication Info: Paris, La Société, 1854-1978
  45. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 89--89
    Publication Info: Paris, La Société, 1854-1978
  46. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 326--326
    Publication Info: Paris, La Société, 1854-1978
  47. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 128--128
    Publication Info: Paris, La Société, 1854-1978
  48. By: Bois, D. (Désiré),
    Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 34--35
    Publication Info: Paris, La Société, 1854-1978
  49. Type: Article
    In: Bulletin de la Société botanique de France
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    Publication Info: Paris, La Société, 1854-1978
  50. Type: Article
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    Publication Info: Paris, La Société, 1854-1978
  51. Type: Article
    In: Bulletin de la Société botanique de France
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    Publication Info: Paris, La Société, 1854-1978
  52. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 233--233
    Publication Info: Paris, La Société, 1854-1978
  53. By: McAtee, W. L. (Waldo Lee)
    Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 341--344
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  54. By: Jackson, Hartley H. T. (Hartley Harrad Thompson),
    Type: Article
    In: Journal of mammalogy
    Volume: 1
    Date: 1920
    Page Range: 199--200
    Publication Info: Baltimore, Md, American Society of Mammalogists,
  55. By: Dyar, Harrison G. (Harrison Gray),
    Type: Article
    In: Insecutor inscitiae menstruus
    Volume: 8
    Date: 1920
    Page Range: 27--29
    Publication Info: Washington, D.C, [Harrison G. Dyar], 1913-1926
  56. By: Thaxter, Roland,
    Type: Article
    In: Botanical gazette
    Volume: 69
    Issue: 1
    Date: 1920
    Page Range: 1--27
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  57. By: Knowlton, Clarence Hinckley, - Ripley, Winfield Scott, Jr., - Weatherby, Charles Alfred,
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 80--89
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  58. By: Langdon, LaDema Mary,
    Type: Article
    In: Botanical gazette
    Volume: 70
    Issue: 1
    Date: 1920
    Page Range: 82--84
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  59. By: Grinnell, Joseph,
    Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 84--88
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  60. By: Hansen, H J
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 26
    Issue: 6
    Date: 1920
    Page Range: 477--483
    Publication Info: Paris Imprimerie nationale 1907-1971
  61. By: Davis, William T. (William Thompson),
    Type: Article
    In: Bulletin of the Brooklyn Entomological Society
    Volume: 15
    Series: new
    Date: 1920
    Page Range: 17--18
    Publication Info: Brooklyn, N.Y, The Society,
  62. Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 439--449
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  63. By: Clapp, William F.
    Type: Article
    In: The Nautilus
    Volume: 33
    Date: 1920
    Page Range: 83--89
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  64. By: Bisby, Guy Richard,
    Type: Article
    In: Botanical gazette
    Volume: 69
    Issue: 3
    Date: 1920
    Page Range: 193--217
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  65. By: Jennings, Otto E. (Otto Emery),
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 3
    Date: 1920
    Page Range: 52--53
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  66. By: Britton, Elizabeth G. (Elizabeth Gertrude), - Berry, Edward Wilber, - Cockerell, Theodore D. A. (Theodore Dru Alison),
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 5
    Date: 1920
    Page Range: 101--102
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  67. By: Bradshaw, R V
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 6
    Date: 1920
    Page Range: 122--123
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  68. By: Nelson, James C. (James Carlton),
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 2
    Date: 1920
    Page Range: 31--32
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  69. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 27
    Date: 1920
    Page Range: 74--78
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  70. By: Hubbs, Carl L. (Carl Leavitt),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 33
    Date: 1920
    Page Range: 89--90
    Publication Info: Washington Biological Society of Washington
  71. By: Winstedt, Richard,
    Type: Article
    In: Journal of the Straits Branch of the Royal Asiatic Society
    Volume: 81
    Date: 1920
    Page Range: 7--9
    Publication Info: Singapore,
  72. By: Portevin, G
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 26
    Issue: 6
    Date: 1920
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    Publication Info: Paris Imprimerie nationale 1907-1971
  73. By: Subercaseaux, Guilllermo
    Type: Article
    In: Anales de la Universidad de Chile
    Volume: 146
    Date: 1920
    Page Range: 199--316
    Publication Info: Santiago,
  74. Type: Article
    In: Anales de la Universidad de Chile
    Volume: 147
    Date: 1920
    Page Range: 3--154
    Publication Info: Santiago,
  75. Type: Article
    In: Anales de la Universidad de Chile
    Volume: 146
    Date: 1920
    Page Range: 471--598
    Publication Info: Santiago,
  76. By: Standley, Paul Carpenter,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 33
    Date: 1920
    Page Range: 65--67
    Publication Info: Washington Biological Society of Washington
  77. By: Clark, Benjamin Preston,
    Type: Article
    In: Proceedings of the New England Zoölogical Club
    Volume: 7
    Date: 1920
    Page Range: 65--78
    Publication Info: [Cambridge, Mass.], The Club,
  78. By: Phillips, John C
    Type: Article
    In: Journal of mammalogy
    Volume: 1
    Date: 1920
    Page Range: 130--133
    Publication Info: Baltimore, Md, American Society of Mammalogists,
  79. By: Prince, John Dyneley,
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 59
    Issue: 220
    Date: 1920
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  80. By: Gundersen, Review By: Alfred
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 6
    Date: 1920
    Page Range: 125--126
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  81. By: Barnhart, John Hendley,
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 180--182
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  82. By: Spegazzini, C
    Type: Article
    In: Anales de la Sociedad Científica Argentina
    Volume: 90
    Date: 1920
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    Publication Info: Buenos Aires [Sociedad Científica Argentina]
  83. By: Ghigliotto, Carlos
    Type: Article
    In: Anales de la Universidad de Chile
    Volume: 146
    Date: 1920
    Page Range: 81--87
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  84. Type: Article
    In: Bulletin
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    Date: 1920
    Page Range: 1-012
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  85. By: Pennell, Francis W. (Francis Whittier),
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 1
    Date: 1920
    Page Range: 10--11
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  86. By: Wherry, Edgar T. (Edgar Theodore),
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 33--49
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  87. By: Kidder, Nathaniel Thayer,
    Type: Article
    In: Rhodora
    Volume: 22
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    Page Range: 77--78
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  88. By: Mitchell, J
    Type: Article
    In: Proceedings of the Linnean Society of New South Wales
    Volume: 44
    Date: 1920
    Page Range: 850--856
    Publication Info: Sydney Linnean Society of New South Wales
  89. Type: Article
    In: Novitates zoologicae : a journal of zoology in connection with the Tring Museum
    Volume: 27
    Date: 1920
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  90. By: Barbour, Thomas, - Noble, G. Kingsley (Gladwyn Kingsley),‏ ‎
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 63
    Date: 1920
    Page Range: 395--427
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  91. By: Pilsbry, Henry Augustus,
    Type: Article
    In: The Nautilus
    Volume: 33
    Date: 1920
    Page Range: 76--79
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  92. Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1920
    Date: 1920
    Page Range: 31--48
    Publication Info: London Academic Press, [etc.] 1833-1965
  93. By: Cockerell, Theodore D. A. (Theodore Dru Alison),
    Type: Article
    In: The Philippine journal of science
    Volume: 17
    Date: 1920
    Page Range: 221--229
    Publication Info: Manila Bureau of Science
  94. By: Howell, A. Brazier (Alfred Brazier),
    Type: Article
    In: Journal of mammalogy
    Volume: 1
    Date: 1920
    Page Range: 169--177
    Publication Info: Baltimore, Md, American Society of Mammalogists,
  95. By: Casey, Thos. L. (Thomas Lincoln),
    Type: Article
    In: Memoirs on the Coleoptera
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    Date: 1920
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  96. By: Chipp, T. F. (Thomas Ford),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 2
    Series: 3
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  97. Type: Article
    In: Bulletin of entomological research
    Volume: 10
    Date: 1920
    Page Range: 273--276
    Publication Info: Farnham Royal, Commonwealth Agricultural Bureaux,
  98. By: Ramakrishna Ayyar, T. V. (Tarakad Vythinatha),
    Type: Article
    In: Report of the proceedings of the third entomological meeting : held at Pusa on the 3rd to 15th February 1919
    Volume: 1
    Date: 1920
    Page Range: 314--328
    Publication Info: Calcutta, Supt. of Government Printing, 1920
  99. By: Mickel, Clarence E - Dawson, Ralph W.
    Type: Article
    In: The Wilson bulletin
    Volume: 32
    Series: new
    Issue: 3
    Date: 1920
    Page Range: 73--79
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  100. By: Johnson, Charles Willison,
    Type: Article
    In: The Nautilus
    Volume: 33
    Date: 1920
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    Type: Article
    In: Actes de la Société linnéenne de Bordeaux
    Volume: 72
    Date: 1920
    Page Range: 34--39
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  207. Type: Article
    In: Comptes rendus des séances de la Société de biologie
    Volume: 83
    Date: 1920
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  208. By: Chabanaud, Paul.
    Type: Article
    In: Bulletin de la Société zoologique de France
    Volume: 45
    Date: 1920
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    Publication Info: Paris, La Société,
  209. By: Shull, Charles A. (Charles Albert),
    Type: Article
    In: Botanical gazette
    Volume: 69
    Issue: 2
    Date: 1920
    Page Range: 187--188
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  210. By: MacDougal, Daniel Trembly, - Spoehr, H. A. (Herman Augustus),
    Type: Article
    In: Botanical gazette
    Volume: 70
    Issue: 4
    Date: 1920
    Page Range: 268--278
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  211. By: Folsom, Justus Watson,
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 13
    Date: 1920
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    Publication Info: [College Park, Md., etc.], Entomological Society of America,
  212. By: Oberholser, Harry C. (Harry Church),
    Type: Article
    In: The Wilson bulletin
    Volume: 32
    Series: new
    Issue: 1
    Date: 1920
    Page Range: 18--28
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  213. By: Blanchard, Frank Nelson,
    Type: Article
    In: Occasional papers of the Museum of Zoology, University of Michigan
    Volume: 87
    Date: 1920
    Page Range: 1--7
    Publication Info: Ann Arbor, Mich, University of Michigan, 1913-
  214. By: Malloch, John Russell,
    Type: Article
    In: Bulletin of the Brooklyn Entomological Society
    Volume: 15
    Series: new
    Date: 1920
    Page Range: 121--127
    Publication Info: Brooklyn, N.Y, The Society,
  215. By: Ransom, Brayton Howard,
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 57
    Issue: 2322
    Date: 1920
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    Publication Info: Washington Smithsonian Institution Press, [etc.]
  216. Type: Article
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    Volume: 52
    Date: 1920
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  217. By: Anderson, Rudolph Martin,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 34
    Issue: 1
    Date: 1920-01
    Page Range: 19--19
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  218. By: Spratt, Amy Vera
    Type: Article
    In: Annals of botany
    Volume: 34
    Date: 1920-01
    Page Range: 99--105
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  219. By: Campbell, Douglas Houghton,
    Type: Article
    In: Annals of botany
    Volume: 34
    Date: 1920-01
    Page Range: 1--12
    Publication Info: London, Academic Press [etc.],
  220. By: Campbell, Archibald James
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
    Issue: 3
    Date: 1920-01-01
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    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  221. By: Cleland, John Burton
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
    Issue: 3
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    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  222. By: Rodda, Arnold E.
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
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    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
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  224. By: Cole, C F
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
    Issue: 3
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    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  225. By: Banfield, Edmund James
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
    Issue: 3
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    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  226. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1920-01-23
  227. By: Weimer, James Le Roy,
    Type: Article
    In: American journal of botany
    Volume: 7
    Issue: 2
    Date: 1920-02
    Page Range: 75--77
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  228. By: Ramaley, Francis,
    Type: Article
    In: American journal of botany
    Volume: 7
    Issue: 2
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    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  229. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1920-02-05
  230. By: Murrill, William A.,
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 21
    Issue: 243
    Date: 1920-03
    Page Range: 54--56
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  231. By: Taverner, P. A. (Percy Algernon),
    Type: Article
    In: The Canadian field-naturalist
    Volume: 34
    Issue: 3
    Date: 1920-03
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    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  232. By: Yampolsky, Cecil
    Type: Article
    In: American journal of botany
    Volume: 7
    Issue: 3
    Date: 1920-03
    Page Range: 95--100
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  233. By: Todd, John L. (John Lancelot),
    Type: Article
    In: The Journal of parasitology
    Volume: 6
    Issue: 3
    Date: 1920-03
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    Publication Info: Chicago [etc.],
  234. By: Baldwin, Francis Marsh
    Type: Article
    In: The Biological bulletin
    Volume: 38
    Date: 1920-03-01
    Page Range: 123--140
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  235. By: Carter, Nellie,
    Type: Article
    In: Annals of botany
    Volume: 34
    Date: 1920-04
    Page Range: 265--285
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  236. By: Farley, Frank L.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 36
    Issue: 4
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    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  237. By: Dove, H. Stuart
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
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    Volume: 19
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  239. By: Ick-Hewins, T J
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
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    Volume: 19
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  241. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1920-04-02
  242. By: Klugh, A. B. (Alfred Brooker),
    Type: Article
    In: The Canadian field-naturalist
    Volume: 34
    Issue: 5
    Date: 1920-05
    Page Range: 100--100
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  243. By: Taverner, P. A. (Percy Algernon),
    Type: Article
    In: The Canadian field-naturalist
    Volume: 34
    Issue: 5
    Date: 1920-05
    Page Range: 99--99
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  244. By: Heilbrunn, Lewis Victor,
    Type: Article
    In: The Biological bulletin
    Volume: 38
    Date: 1920-05-01
    Page Range: 317--339
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  245. By: Wodsedalek, Jerry Edward,
    Type: Article
    In: The Biological bulletin
    Volume: 38
    Date: 1920-05-01
    Page Range: 294--316
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  246. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1920-05-09
  247. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 6
    Series: 2
    Issue: 3
    Date: 1920-05-14
    Page Range: 10--11
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  248. By: Conwell, H. H.
    Type: Article
    In: The Kansas University science bulletin
    Volume: 13
    Issue: 4
    Date: 1920-05-15
    Page Range: 39--55
    Publication Info: Lawrence, Kan, The University, 1902-1924
  249. Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 21
    Issue: 246
    Date: 1920-06
    Page Range: 118--118
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  250. By: Ciurea, J.
    Type: Article
    In: The Journal of parasitology
    Volume: 6
    Issue: 4
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    Page Range: 173--177
    Publication Info: Chicago [etc.],
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