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  1. By: Sioux City Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sioux City, Iowa, Sioux City Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  2. By: Steele's Pansy Gardens. - Steele, E. J. - Steele, M. I. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Portland, Or, Steele's Pansy Gardens, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  3. By: L.E. Ingoldsby (Firm) - Ingoldsby, L. E. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Edition: First edition.
    Publication info: Lindsay, Calif, L.E. Ingoldsby, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  4. By: Elmwood Terrace Gardens. - Hawks, Margaret Breard. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Bennington, Vt, Elmwood Terrace Gardens, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  5. By: Howard Rose Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hemet, Calif, Howard Rose Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  6. By: Forbes, Rosita.
    Publication info: New York, George H. Doran Co, [c1921]
    Holding Institution: Webster Family Library of Veterinary Medicine
  7. By: Cory, Campbell L.,
    Publication info: Springfield, Ohio, The A. D. Hosterman company, [c1921]
    Holding Institution: Library of Congress
  8. By: Great Northern Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockford, Ill, Great Northern Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  9. By: Alneer Brothers. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockford, Ill, Alneer Bros, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  10. By: D.M. Ferry & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Detroit, Mich, D.M. Ferry & Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  11. By: St. Louis Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: St. Louis, Mo, St. Louis Seed Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  12. By: MacNiff Horticultural Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, MacNiff Horticultural Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  13. By: Seattle Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Seattle, Wash, Seattle Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  14. By: Stumpp & Walter Co. (New York, N.Y.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, Stumpp & Walter Co, [c1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  15. By: Holmes Seed Store. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Spartanburg, S.C, Holmes Seed Store, [1921?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  16. By: Barber's Seed Store. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Birmingham, Ala, Barber's Seed Store, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  17. By: Central Coal and Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Boise, Idaho, Central Coal and Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  18. By: Carpenter Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Provo, Utah, Carpenter Seed Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  19. By: Tucker-Mosby Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Memphis, Tenn, Tucker-Mosby Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  20. By: E.W. Burbank Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Portland, Me, E.W. Burbank Seed Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  21. By: Council Bluffs Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Council Bluffs, Iowa, Council Bluffs Seed Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  22. By: American Mutual Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Chicago, Ill, American Mutual Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  23. By: American Mutual Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Chicago, Illinois, American Mutual Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  24. By: Henry C. Anthony (Firm) - Anthony, Henry C. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Portsmouth, R.I, Henry C. Anthony, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  25. By: J. Wilkinson Elliott (Firm) - Elliott, J. Wilkinson. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Pittsburgh, Pa, Elliott Nursery, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  26. By: Deposit Seed Company (Deposit, N.Y.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Deposit, N.Y, Deposit Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  27. By: Everette R. Peacock Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Chicago, Ill, Everette R. Peacock Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  28. By: Muzzy Brothers. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Paterson, N.J, Muzzy Brothers, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  29. By: Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New Rochelle, N.Y, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  30. By: Muller-Sealey Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, Muller-Sealey Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  31. By: Quality Seed Store. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Stamford, Conn, Quality Seed Store, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  32. By: Olds & Whipple, Inc. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hartford, Conn, Olds & Whipple, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  33. By: E.A. Martin Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Jacksonville, Fla, E.A. Martin Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  34. By: Hart & Vick, Inc. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rochester, N.Y, Hart & Vick, Inc, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  35. By: Hetherington Seed and Grocery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hillsboro, Ohio, Hetherington Seed and Grocery Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  36. By: D.M. Andrews (Firm) - Andrews, D. M. - Rockmont Nursery. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Boulder, Colo, D.M. Andrews, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  37. By: Emma V. White (Firm : Minneapolis, Minn.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Minneapolis, Minn, E.V. White, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  38. By: Routledge Seed & Floral Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Portland, Or, Routledge Seed & Floral Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  39. By: Pioneer-Haines Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Denver, Colo, Pioneer-Haines Seed Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  40. By: Johnson's Seed Store. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Cleveland, Ohio, Johnson's Seed Store, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  41. By: Crenshaw Bros. Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Tampa, Fla, Crenshaw Bros. Seed Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  42. By: Loewith, Larssen & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, Loewith, Larssen & Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  43. By: National Rose Society.
    Publication info: Westminister Page 1921
    Holding Institution: University of British Columbia Library
  44. By: Pittman & Harrison Company. - Texas Seed Breeding Farms. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sherman, Tex, Pittman and Harrison Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  45. By: Moers Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Houston, Tex, Moers Seed Company, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  46. By: Colorado Gardens and Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Colorado Springs, Colo, Colorado Gardens and Nurseries, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  47. By: William Marks (Firm) - Marks, William. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Chicago, Ill, William Marks, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  48. By: Banta, Arthur M. (Arthur Mangun),
    Publication info: Washington, Carnegie Institute of Washington, 1921
    Holding Institution: Smithsonian Libraries and Archives
  49. By: Banta, Arthur M. (Arthur Mangun),
    Publication info: Washington, Carnegie Institute of Washington, 1921
    Holding Institution: University of California Libraries
  50. By: Banta, Arthur M. (Arthur Mangun),
    Publication info: Washington, Carnegie Institute of Washington, 1921
    Holding Institution: NCSU Libraries
  51. By: Banta, Arthur M. (Arthur Mangun),
    Publication info: Wasington, Carnegie Inst, 1921
    Holding Institution: University of California Libraries
  52. By: Storrs & Harrison Co. - Painesville Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Painesville, Ohio, Storrs & Harrison Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  53. By: O. R. Gottwold (Firm) - Gottwold, O. R. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sayville, N.Y, O. R. Gottwold, [1921?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  54. By: Bonnewitz, Lee R. - Bonnewitz, Lee R. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Van Wert, Ohio, Lee R. Bonnewitz, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  55. By: Rooark, Eugene Washburn,
    Publication info: Baltimore, 1921
    Holding Institution: Library of Congress
  56. By: United States. Bureau of Biological Survey.
    Publication info: Washington, G.P.O, 1921
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
  57. By: Hopkins, Samuel Herbert,
    Publication info: Victoria, B.C, Printed by W.H. Cullin, printer to the King's most excellent Majesty, 1921
    Holding Institution: University of California Libraries
  58. By: Hudson, W. H. (William Henry),
    Publication info: New York, E. P. Dutton & company, 1921
    Holding Institution: Library of Congress
  59. By: Jackson, Henry.
    Publication info: Cambridge, University Press, 1921
    Holding Institution: Cornell University Library
  60. By: Jackson, Henry.
    Publication info: Cambridge, University Press, 1921
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  61. By: Jackson, Henry.
    Publication info: Cambridge, University Press, 1921
    Holding Institution: University of California Libraries
  62. By: Norway. Landbruksdepartementet. - Bjanes, O. T. (Ole Taraldsen),
    Publication info: Kristiania, Printed by Grøndahl & søn, 1921
    Holding Institution: University of California Libraries
  63. By: Bjanes, O. T. (Ole Taraldsen),
    Publication info: Kristiania, Grondahl & son, 1921
    Holding Institution: Cornell University Library
  64. By: Cameron, James.
    Publication info: Edinburgh, W. Blackwood and sons, 1921
    Holding Institution: University of California Libraries
  65. By: Shultz Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Olney, Ill, Shultz Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  66. By: Geo. L. Siegel (Firm) - Siegel, Geo. L. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Erie, Pa, Geo. L. Siegel, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  67. By: Sies, Herbert Eugene,
    Publication info: Point Loma, Calif, H.E. Sies, c1921
    Holding Institution: Multiple institutions
  68. By: Robinson, Rowland Evans,
    Publication info: Boston, Houghton Mifflin, 1921
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  69. By: Robinson, Rowland Evans, - Robinson, Rowland Evans,
    Publication info: Boston and New York, Houghton Mifflin company, 1921
    Holding Institution: Multiple institutions
  70. By: Troup, Robert Scott,
    Publication info: Oxford, Clarendon Press, 1921
    Holding Institution: University of Toronto - Earth Sciences Library (Noranda)
  71. By: Simpson Nursery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Monticello, Fla, Simpson Nursery Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  72. By: Simpson Seed and Floral Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Denver, Colo, Simpson Seed and Floral Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  73. By: Kleinschmidt, Otto,
    Edition: 3. Aufl.
    Publication info: Leipzig, Quelle & Meyer, 1921
    Holding Institution: Smithsonian Libraries and Archives
  74. By: Sioux City Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sioux City, Iowa, Sioux City Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  75. By: Sioux City Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sioux City, Iowa, Sioux City Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  76. By: Sioux City Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sioux City, Iowa, Sioux City Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  77. By: Sioux City Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sioux City, Iowa, Sioux City Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  78. By: Sioux City Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sioux City, Iowa, Sioux City Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  79. By: Sioux City Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sioux City, Iowa, Sioux City Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  80. By: W.A. Sisson (Firm) - Sisson, W. A. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rosendale, Wis, W.A. Sisson, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  81. 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, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  82. By: Fullmer, Edward L.
    Publication info: Columbus, Ohio State University, 1921
    Holding Institution: University Library, University of Illinois Urbana Champaign
  83. By: Slocombe's Dahlia Gardens. - Slocombe, John H., - Slocombe, Emily. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New Haven, Conn, Slocombe's Dahlia Gardens, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  84. By: Richardson, Robert Earl,
    Publication info: Urbana, Ill, State of Illinois, Dept. of Registration and Education, Division of the Natural History Survey, 1921
    Holding Institution: University of Connecticut Libraries
  85. By: Keith Brothers Nursery. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sawyer, Mich, Keith Bros. Nursery, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  86. By: Warren, Edward Royal,
    Publication info: [Denver], The Colorado mountain club, 1921
    Holding Institution: University of California Libraries
  87. By: Fitzsimons, F. W. (Frederick William),
    Publication info: Cape Town, T.M. Miller, [1921]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  88. By: Fitzsimons, F. W. (Frederick William),
    Publication info: Cape Town, T.M. Miller, [1921]
    Holding Institution: Smithsonian Libraries and Archives
  89. By: Fischer, Martin,
    Publication info: New York, J. Wiley, 1921
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  90. By: Bristol, Lucius Moody,
    Publication info: Cambridge, Harvard university press; [etc., etc.], 1921
    Holding Institution: Cornell University Library
  91. By: Bristol, Lucius Moody,
    Publication info: Cambridge, Harvard University Press, 1921
    Holding Institution: University of Toronto - Robarts Library
  92. By: Stephenson, Roscoe Elmo.
    Publication info: Baltimore, 1921
    Holding Institution: Library of Congress
  93. By: Russell, Edward J. (Edward John), Sir,
    Edition: 4th ed.
    Publication info: London, Longmans, Green, 1921
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  94. By: Russell, Edward J. (Edward John), Sir,
    Edition: 4th ed.
    Publication info: London, New York [etc.], Longmans, Green & co, 1921
    Holding Institution: University of California Libraries
  95. By: Hayes, F. A. - Bedell, H. L.
    Publication info: Govt. Print. Off, 1921
    Holding Institution: University of California Libraries
  96. By: Davis, L. Vincent. - Elwell, John Ambrose,
    Publication info: U.S. Dept. of Agriculture, 1921
    Holding Institution: University of California Libraries
  97. By: Massingham, H. J. (Harold John),
    Publication info: New York, E. P. Dutton and company, [1921]
    Holding Institution: University of California Libraries
  98. By: Griswold, Frank Gray.
    Publication info: New York, John Lane company, 1921
    Holding Institution: Cornell University Library
  99. By: Griswold, Frank Gray,
    Publication info: New York, John Lane company, 1921
    Holding Institution: University of California Libraries
  100. By: Wedge, Clarence. - Wedge Seeds. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Albert Lea, Minn, Wedge Seeds, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  101. By: Spencer, Edwin Rollin,
    Publication info: Chicago, 1921
    Holding Institution: Library of Congress
  102. By: Dietz, Harry Frederic,
    Publication info: Indianapolis?, 1921
    Holding Institution: Library of Congress
  103. By: Gericke, W. F. (William Frederick),
    Publication info: Baltimore, Md, 1921
    Holding Institution: The Johns Hopkins University Sheridan Libraries
  104. By: Fawcett, H. S. (Howard Samuel),
    Publication info: Washington, 1921
    Holding Institution: Library of Congress
  105. By: John Lewis Childs (Firm) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Floral Park, N.Y, John Lewis Childs, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  106. By: Coad, B. R. - Cassidy, T. P. (Tom Part),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  107. By: Vettel, Henry.
    Publication info: [Ithaca, N. Y.], 1921
    Holding Institution: Cornell University Library
  108. By: Froggatt, Walter W. (Walter Wilson), - New South Wales. Dept. of Agriculture.
    Publication info: Sydney, W.A. Gullick, Govt. Printer, 1921
    Holding Institution: University of California Libraries
  109. By: Froggatt, Walter W. (Walter Wilson), - New South Wales. Dept. of Agriculture.
    Publication info: Sydney, W.A. Gullick, Govt. Printer, 1921
    Holding Institution: American Museum of Natural History Library
  110. By: N.L. Willet Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Augusta, Ga, N.L. Willet Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  111. By: Ortmann, Arnold E. - Carnegie Museum
    Publication info: Pittsburgh, Published by the authority of the Board of Trustees of the Carnegie Institut, [1921]
    Holding Institution: Harold B. Lee Library
  112. By: Ortmann, Arnold E.
    Publication info: Pittsburgh, 1921
    Holding Institution: Smithsonian Libraries and Archives
  113. 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, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  114. Publication info: Charlotte, N.C, Charlotte Medical Press, 1921-1953
    Holding Institution: NC History of Health Digital Collection
  115. By: Southwestern Nurseries (Waterloo, Kan.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Waterloo, Kan, Southwestern Nurseries, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  116. By: Fabre, Jean-Henri, - Legros, Georges Victor,
    Edition: Éd. définitive illustrée.
    Publication info: Paris, Librairie Delagrave, 1921-1924
    Holding Institution: Smithsonian Libraries and Archives
  117. By: Kautsky, Karl,
    Edition: [2. Aufl.]
    Publication info: Berlin, P. Cassirer, 1921
    Holding Institution: University of Toronto - Robarts Library
  118. By: S.P. Strople (Firm) - Strople, S. P. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New Britain, Conn, S.P. Strople, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  119. By: Shepard, Ward, - United States. Forest Service. - United States. Forest Service. Southwestern Region.
    Publication info: [Albequerque, N.M.?], U.S. Forest Service, Southwestern District, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  120. By: Adams Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Decorah, Iowa, Adams Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  121. By: Morris Nursery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, Morris Nursery Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  122. 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, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  123. 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, [1921?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  124. By: James Vick's Sons (Rochester, N.Y.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rochester, N.Y, James Vick, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  125. By: Kennewick Nursery. - Wray, Horace. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Kennewick, Wash, Kennewick Nursery, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  126. By: Chase Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Chase, Ala, The Nursery, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  127. By: Forest Nursery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: McMinnville, Tenn, Forest Nursery Company, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  128. By: Harrison's Nurseries (Berlin, Md.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Berlin, Md, Harrison's, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  129. By: Harrison's Nurseries (Berlin, Md.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Berlin, Md, Harrison's, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  130. By: Harrison's Nurseries (Berlin, Md.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Berlin, Md, Harrison's, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  131. By: Harrison's Nurseries (Berlin, Md.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Berlin, Md, Harrison's, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  132. By: Harrison's Nurseries (Berlin, Md.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Berlin, Md, Harrison's, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  133. By: Joseph Harris Company. - Moreton Farm. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Coldwater, N.Y, Joseph Harris Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  134. By: Oakhurst Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Jacksonville, Fla Oakhurst Nurseries [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  135. By: Morris Nursery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [New York City, N.Y, Morris Nursery Company], 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  136. By: Geo. E. Baldwin & Co. - Hill Top Farm. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Mamaroneck, N.Y, Geo. E. Baldwin & Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  137. By: National Bulb Farms. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Benton Harbor, Mich, National Bulb Farms, Incorporated, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  138. By: Bonnewitz, Lee R. - Bonnewitz, Lee R. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Van Wert, Ohio, Lee R. Bonnewitz, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  139. By: Harnden Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Kansas City, Mo, Harnden Seed Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  140. By: Mann-Hodge Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Palatka, Fla, Mann-Hodge Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  141. By: Swedberg Brothers Nursery. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Battle Lake, Minn, Swedberg Brothers Nursery, [1921?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  142. By: H.E. Meader (Firm) - Meader, H. E. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Dover, N.H, H.E. Meader, [1921?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  143. By: Colorado Gardens and Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Colorado Springs, Colo, Colorado Gardens and Nurseries, [1921?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  144. 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, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  145. 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
  146. By: Naperville Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Naperville, DuPage County, Ill, Naperville Nurseries, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  147. By: Ransom Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Geneva, Ohio, Ransom Seed Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  148. By: Charles M. Baumgarten Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Bay City, Mich, Charles M. Baumgarten Seed Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  149. By: William D. Burt (Firm) - Burt, William D. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Dalton, N.Y, William D. Burt, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  150. By: Tennessee Nursery Company - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Cleveland, Tenn, Tennessee Nursery Company, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  151. By: Ebbert Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rocky Ford, Colo, Ebbert Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  152. By: Fountain Valley Nursery. - Smith, Howard. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Poy Sippi, Wis, Fountain Valley Nursery, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  153. 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, c1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  154. By: Charlton, Harry Hayward,
    Publication info: Philadelphia, 1921
    Holding Institution: University of California Libraries
  155. By: Barbour, Thomas,
    Publication info: Cambridge, U. S. A, Printed for the Museum, 1921
    Holding Institution: Multiple institutions
  156. By: United States. Bureau of Animal Industry
    Publication info: [Washington, D.C.], United States Department of Agriculture, Bureau of Animal Industry, [1921?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  157. By: Spokane Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [Spokane, Wash.], Spokane Seed Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  158. By: Ayers, S. Henry (Samuel Henry), - Clemmer, Paul W. (Paul Wescoe),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  159. By: Dane, Richard Morris, Sir
    Publication info: London, A. Melrose, [1921]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  160. By: Dane, Richard Morris, Sir
    Publication info: London, A. Melrose, ltd, [1921]
    Holding Institution: University of California Libraries
  161. By: Prichard, Hesketh Vernon Hesketh, - Wilson, Edward,
    Publication info: London, W. Heinemann, 1921
    Holding Institution: Boston Public Library
  162. By: Willoughby de Broke, Richard Greville Verney, baron,
    Publication info: New York, E.P. Dutton, [1921]
    Holding Institution: Webster Family Library of Veterinary Medicine
  163. By: Moore, William,
    Publication info: Minneapolis?, 1921
    Holding Institution: Library of Congress
  164. 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, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  165. By: Ford Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ravenna, Ohio, Ford Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  166. By: Hutchinson Nurseries. - Hutchinson, P. H. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Kearney, Neb, Hutchinson Nurseries, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  167. By: Home Nursery (LaFayette, Ill.) - Ingels, Irvin. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: LaFayette, Ill, Home Nursery, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  168. By: Ferguson Seed Farms. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sherman, Tex, Ferguson Seed Farms, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  169. By: Thomas J. Grey Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Boston, Mass, Thos. J. Grey Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  170. 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, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  171. By: Great Western Plant Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Springfield, Ohio, Great Western Plant Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  172. By: Andorra Nurseries, Inc. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Chestnut Hill, Philadelphia, Pa, Andorra Nurseries, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  173. By: Geo. H. Mellen Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Springfield, Ohio, Geo. H. Mellen Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  174. By: Framingham Nurseries (Framingham, Mass.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [Framingham, Mass.], Framingham Nurseries, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  175. By: Kelly Bros. Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Dansville, N.Y, Kelly Brothers Wholesale Nurseries, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  176. 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, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  177. By: Earl May Seed & Nursery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Shenandoah, Iowa, May Seed & Nursery Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  178. By: Fullhart Nursery. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Muncie, Ind, Fullhart Nursery, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  179. By: Chris Reuter (Firm) - Reuter, Chris. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [New Orleans, La, Chris. Reuter], 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  180. By: Burnett Bros., Inc. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, Burnett Bros, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  181. By: E.W. Potter (Firm) - Potter, E. W. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Leslie, Mich, E.W. Potter, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  182. By: Bente Nurseries. - Bente, H. F. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Leavenworth, Kan, Bente Nurseries, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  183. By: Elizabeth Nursery Co. - Runyan, E. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Elizabeth, N.J, Elizabeth Nursery Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  184. By: Steele's Shrewsbury Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Eatontown, N.J, Steele's Shrewsbury Nurseries, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  185. 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, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  186. By: Hicks Nurseries (Westbury, Nassau County, N.Y.) - I. Hicks & Son. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Westbury, N.Y, Henry Hicks, c1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  187. 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, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  188. By: Progress Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Troy, Ohio, Progress Nursery Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  189. By: Randall McLoughlin (Firm) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Seattle, Wash, Randall McLoughlin, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  190. By: Pedigreed Seed Company (Hartsville, S.C.) - Coker, David Robert, - Webber, Herbert John, - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hartsville, S.C, Pedigreed Seed Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  191. By: Texas Seed & Plant Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Dallas, Tex, Texas Seed & Plant Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  192. By: Brainard Nursery & Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Thompsonville, Conn, Brainard Nursery & Seed Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  193. By: Waukegan Nursery. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Waukegan, Ill, R. Douglas' Sons, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  194. By: Weeber & Don (New York, N.Y.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, Weeber & Don, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  195. By: H.H. Berger & Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York, N.Y, H.H. Berger & Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  196. By: Arthur T. Boddington (Firm) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New York City, N.Y, Arthur T. Boddington Inc, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  197. By: Spring Hill Nurseries. - Peter Bohlender & Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Tippecanoe City, Miami County, Ohio, Spring Hill Nurseries, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  198. By: Spring Hill Nurseries. - Peter Bohlender & Sons. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Tippecanoe City, Miami County, Ohio, Spring Hill Nurseries, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  199. By: Crandall, L. B.
    Publication info: Storrs, Conn, 1921
    Holding Institution: Cornell University Library
  200. By: Bert Baker (Firm) - Baker, Bert. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hoosick Falls, N.Y, Bert Baker, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  201. By: Van Dusen Nurseries. - McKay, C. C. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Geneva, N.Y, Van Dusen Nurseries, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  202. By: Thos. Rogers & Sons Nurseries. - Cooper & Rogers. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Winfield, Kan, Thos. Rogers & Sons Nurseries, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  203. By: Fraser Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Birmingham, Ala, Fraser Nursery Company, Incorporated, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  204. 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, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  205. By: Springfield Seed Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Springfield, Mo, Springfield Seed Company, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  206. By: Leggatt, Ashley.
    Publication info: London, Murray, 1921
    Holding Institution: University of California Libraries
  207. By: United States. Bureau of Public Roads. - Second Conference of State Highway Testing Engineers and Chemists Washington, D.C.)
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  208. By: Robinson, John H. (John Henry),
    Publication info: Quincy, Ill, Reliable poultry journal publishing co, c1921
    Holding Institution: Library of Congress
  209. By: Wm. T. Philipps & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toledo, Ohio, Wm. T. Philipps & Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  210. By: Oates, Max Bruce, - Reynoldson, L. A. (Le Roy August),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  211. By: Stark Bro’s Nurseries & Orchards Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Louisiana, Mo, Stark Bro's, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  212. By: Roberts, James Russel.
    Publication info: Lincoln, Neb, [c1921]
    Holding Institution: Library of Congress
  213. By: W. E. Trimble Greenhouse Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Princeton, Ill, W. E. Trimble Greenhouse Co, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  214. By: Morgan, Thomas Hunt, - Nachtsheim, Hans,
    Publication info: Berlin, G. Borntraeger, 1921
    Holding Institution: MBLWHOI Library
  215. By: Stokes Seed Farms Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Moorestown, N.J, Stokes Seed Farms, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  216. By: Fabre, Jean-Henri,
    Publication info: London, Hodder & Stoughton, [1921]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  217. By: United fruit company. - Reynolds, Philip K.,
    Publication info: Boston, Mass, United fruit company, 1921
    Holding Institution: Library of Congress
  218. By: J.L. Schiller (Firm) - Schiller, J. L. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toledo, Ohio, J.L. Schiller, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  219. By: Strasburger, Eduard, - Fitting, Hans, - Jost, Ludwig, - Karsten, George, - Lang, W. H. (William Henry), - Schenck, Heinrich,
    Edition: 5th English ed., rev. with the 14th German ed. by W.H. Lang.
    Publication info: London, Macmillan, 1921
    Holding Institution: University of California Libraries
  220. By: L.J. Farmer (Firm) - Farmer, L. J. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Pulaski, N.Y, L.J. Farmer, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  221. By: Caleb Boggs & Son. - Romance Seed and Plant Farm. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Cheswold, Del, Caleb Boggs and Son, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  222. By: Canyon Home Nursery. - Moffet, F. I. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ellensburg, Wash, Canyon Home Nursery, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  223. By: C.E. Whitten's Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Bridgman, Mich, C.E. Whitten & Son, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  224. By: Russell, Edward J. (Edward John), Sir,
    Edition: 2d ed., rev. and enl.
    Publication info: Cambridge, University Press, 1921
    Holding Institution: University of Toronto - Earth Sciences Library (Noranda)
  225. By: Gruenberg, Benjamin C. (Benjamin Charles), - Wheat, Frank Merrill.
    Publication info: Boston, Ginn and Company, [c1921]
    Holding Institution: University of California Libraries
  226. By: Stiasny, Gustav,
    Publication info: 's Gravenhage, M. Nijhoff, 1921
    Holding Institution: Smithsonian Libraries and Archives
  227. By: Sax, Karl,
    Publication info: Orono, Maine Agricultural Experiment Station, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  228. By: Smith, George Durward,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  229. By: Honeywell, Hannah Elizabeth,
    Publication info: [Baltimore], 1921
    Holding Institution: Columbia University Libraries
  230. By: Lashley, Karl S. (Karl Spencer),
    Publication info: [V.p.], 1921
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  231. By: Allen, Frederick James, - Harvard University. Bureau of vocational guidance.
    Publication info: Cambridge, Harvard university, 1921
    Holding Institution: University of California Libraries
  232. By: Mortensen, Theodor,
    Publication info: Copenhagen, G. E. C. Gad, 1921
    Holding Institution: Multiple institutions
  233. By: Hansen, H. J. (Hans Jacob), - Hansen, Hans Jacob
    Publication info: Copenhagen, Gyldendalske Boghandel, 1921-30
    Holding Institution: Multiple institutions
  234. By: Ewing, H. E. (Henry Ellsworth),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  235. By: DuMond, Frank Lee.
    Publication info: [Ithaca, N. Y.], 1921
    Holding Institution: Cornell University Library
  236. By: Wheeler, William Morton, - New York Zoological Society.
    Publication info: New York, New York Zoological Society, 1921
    Holding Institution: Smithsonian Libraries and Archives
  237. By: Garman, Philip
    Publication info: [New Haven], Connecticut Agricultural Experiment Station, 1921
    Holding Institution: University of Connecticut Libraries
  238. By: Magoon, C. A. (Charles Alden), - Culpepper, C. W. (Charles W.)
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  239. By: Hoagland, Ralph,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  240. By: Elmer H. Nevins (Firm) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ovid, Mich, Elmer H. Nevins, c1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  241. By: Vinall, H. N. (Harry Nelson), - Getty, R. E. (Robert Ellsworth),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  242. By: Elm City Nursery Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New Haven, Conn, Elm City Nursery Co, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  243. By: Smith, Erwin F. (Erwin Frink), - McKenney, R. E. B. (Randolph Evans Bender),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  244. By: United States. Federal Trade Commission.
    Publication info: Washington, Govt. print. off, 1921
    Holding Institution: Library of Congress
  245. By: Dall, William Healey,
    Publication info: Washington, Govt. print. off, 1921
    Holding Institution: Smithsonian Libraries and Archives
  246. By: Pioneer Nursery of Monrovia. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Monrovia, Calif, Pioneer Nursery of Monrovia, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  247. By: Summit Nurseries. - Miller, H. K. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Monticello, Fla, Summit Nurseries, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  248. By: Sunnybrook Farm Iris Garden. - Cleveland, Frances E., Mrs. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [Eatontown, N.J.], Sunnybrook Farm Iris Garden, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  249. By: Superior Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Los Angeles, Calif, Superior Dahlia Gardens, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  250. By: Daniels Nursery. - Daniels, Franc P. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Long Lake, Minn, Daniels Nursery, [1921]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
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  1. By: Wherry, Edgar T. (Edgar Theodore),
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 33--49
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  2. By: Kidder, Nathaniel Thayer,
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 77--78
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  3. 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
  4. Type: Article
    In: Novitates zoologicae : a journal of zoology in connection with the Tring Museum
    Volume: 27
    Date: 1920
    Page Range: 260--264
    Publication Info: Tring, Zoological Museum, 1894-[1948]
  5. 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
    Publication Info: Cambridge, Mass The Museum 1863-
  6. 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
  7. 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
  8. 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
  9. 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,
  10. By: Casey, Thos. L. (Thomas Lincoln),
    Type: Article
    In: Memoirs on the Coleoptera
    Volume: 9
    Date: 1920
    Page Range: 300--516
    Publication Info: Lancaster, Pa, Lancaster press, inc, [1910-22]
  11. By: Chipp, T. F. (Thomas Ford),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 2
    Series: 3
    Date: 1920
    Page Range: 302--303
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  12. Type: Article
    In: Bulletin of entomological research
    Volume: 10
    Date: 1920
    Page Range: 273--276
    Publication Info: Farnham Royal, Commonwealth Agricultural Bureaux,
  13. 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
  14. 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-
  15. By: Johnson, Charles Willison,
    Type: Article
    In: The Nautilus
    Volume: 33
    Date: 1920
    Page Range: 74--76
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  16. By: McAtee, W. L. (Waldo Lee)
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 2
    Date: 1920
    Page Range: 17--27
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  17. By: Shannon, Earl V. (Earl Victor),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 58
    Issue: 2348
    Date: 1920
    Page Range: 469--482
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  18. Type: Article
    In: Novitates zoologicae : a journal of zoology in connection with the Tring Museum
    Volume: 27
    Date: 1920
    Page Range: 167--170
    Publication Info: Tring, Zoological Museum, 1894-[1948]
  19. Type: Article
    In: Novitates zoologicae : a journal of zoology in connection with the Tring Museum
    Volume: 33
    Date: 1920
    Page Range: 371--378
    Publication Info: Tring, Zoological Museum, 1894-[1948]
  20. By: Schmidt, Karl Patterson,
    Type: Article
    In: Abstract of the proceedings of the Linnaean Society of New York
    Volume: 33
    Date: 1920
    Page Range: 3--6
    Publication Info: [New York], The Society, [1889-1934]
  21. By: Perkins, R. C. L. (Robert Cyril Layton),
    Type: Article
    In: Proceedings of the Hawaiian Entomological Society
    Volume: 4
    Date: 1920
    Page Range: 341--359
    Publication Info: Honolulu, Hawaiian Entomological Society,
  22. By: Fraser, F. C. (Frederick Charles),
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 27
    Date: 1920
    Page Range: 147--150
    Publication Info: Bombay Bombay Natural History Society 1886-
  23. Type: Article
    In: Bulletin of entomological research
    Volume: 11
    Date: 1920
    Page Range: 271--278
    Publication Info: Farnham Royal, Commonwealth Agricultural Bureaux,
  24. Type: Article
    In: The Canadian entomologist
    Volume: 52
    Date: 1920
    Page Range: 126--128
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  25. By: Campion, Herbert,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 6
    Series: 9
    Date: 1920
    Page Range: 130--141
    Publication Info: London Taylor and Francis, Ltd
  26. Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 64
    Date: 1920
    Page Range: 271--296
    Publication Info: Cambridge, Mass The Museum 1863-
  27. Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 22
    Date: 1920
    Page Range: 61--73
    Publication Info: Washington, etc, Entomological Society of Washington,
  28. By: Piper, Charles V. (Charles Vancouver),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 33
    Date: 1920
    Page Range: 103--106
    Publication Info: Washington Biological Society of Washington
  29. By: Blatchley, W. S. (Willis Stanley),
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 28
    Date: 1920
    Page Range: 161--178
    Publication Info: Lawrence, Kan Allen Press [etc.]
  30. By: Rao, C R Narayan
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 6
    Series: 9
    Date: 1920
    Page Range: 45--64
    Publication Info: London Taylor and Francis, Ltd
  31. By: Kuroda, Nagamichi,
    Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 311--311
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  32. By: Sterki, Victor,
    Type: Article
    In: The Nautilus
    Volume: 33
    Date: 1920
    Page Range: 80--83
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  33. By: Woodward, S. P. (Samuel Peckworth),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 31
    Date: 1920
    Page Range: 44--46
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  34. By: Metcalf, Z. P. (Zeno Payne), - Osborn, Herbert
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 13
    Date: 1920
    Page Range: 108--117
    Publication Info: [College Park, Md., etc.], Entomological Society of America,
  35. By: Stenhouse., J H
    Type: Article
    In: Ibis
    Volume: 2
    Series: 11
    Issue: 3
    Date: 1920
    Page Range: 671--678
    Publication Info: [London], Published for the British Ornithologists' Union by Academic Press,
  36. By: Hayes, W P - Mccolloch, J W
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 13
    Date: 1920
    Page Range: 75--80
    Publication Info: [College Park, Md., etc.], Entomological Society of America,
  37. By: Foshag, (William Frederick),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 58
    Issue: 2337
    Date: 1920
    Page Range: 303--305
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  38. By: Warren, Brisbane C. S.
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 32
    Date: 1920
    Page Range: 218--222
    Publication Info: [London s.n
  39. By: Edwards, F W
    Type: Article
    In: The Entomologist's monthly magazine
    Volume: 56
    Series: 3
    Date: 1920
    Page Range: 203--205
    Publication Info: Oxford [etc.] Entomologist's Monthly Magazine Ltd. [etc.]
  40. By: Dunn, E. R. (Emmett Reid),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 33
    Date: 1920
    Page Range: 129--138
    Publication Info: Washington Biological Society of Washington
  41. By: Rao, C R Narayan
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 27
    Date: 1920
    Page Range: 119--127
    Publication Info: Bombay Bombay Natural History Society 1886-
  42. By: Peterson, A
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 13
    Date: 1920
    Page Range: 391--400
    Publication Info: [College Park, Md., etc.], Entomological Society of America,
  43. By: Frost, Allen
    Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 597--598
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  44. By: Mathieu, E
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 2
    Series: 3
    Date: 1920
    Page Range: 238--245
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  45. By: Mathieu, E
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 2
    Series: 3
    Date: 1920
    Page Range: 300--301
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  46. By: Zundel, George L.,
    Type: Article
    In: Mycologia
    Volume: 12
    Issue: 5
    Date: 1920
    Page Range: 275--281
    Publication Info: [Bronx, etc.], New York Botanical Garden,
  47. By: Stebbing, Thomas R. R. (Thomas Roscoe Rede),
    Type: Article
    In: Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum
    Volume: 17
    Date: 1920
    Page Range: 231--272
    Publication Info: Cape Town, South African Museum, 1898-2004
  48. By: Esben-Petersen, Peter
    Type: Article
    In: Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum
    Volume: 17
    Date: 1920
    Page Range: 507--521
    Publication Info: Cape Town, South African Museum, 1898-2004
  49. By: Harper, Roland M
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 4
    Date: 1920
    Page Range: 67--76
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  50. By: Best, Martin
    Type: Article
    In: Mitteilungen der Münchner Entomologischen Gesellschaft
    Volume: 10
    Date: 1920
    Page Range: 27--30
    Publication Info: München, Münchner Entomologische Gesellschaft,
  51. By: Fletcher, J. J. (Joseph James)
    Type: Article
    In: Proceedings of the Linnean Society of New South Wales
    Volume: 45
    Date: 1920
    Page Range: 218--220
    Publication Info: Sydney Linnean Society of New South Wales
  52. By: Fernald, Merritt Lyndon,
    Type: List
    In: Notes on the flora of Nova Scotia
    Date: 1920
    Publication Info: [1920-1921]
  53. Type: Article
    In: Redia
    Volume: 14
    Date: 1920
    Page Range: 107--136
    Publication Info: Firenze, Tipografia R. Coppini & Co. [etc.],
  54. Type: Article
    In: Insecutor inscitiae menstruus
    Volume: 8
    Date: 1920
    Page Range: 54--81
    Publication Info: Washington, D.C, [Harrison G. Dyar], 1913-1926
  55. By: Sharp, Lester W
    Type: Article
    In: Botanical gazette
    Volume: 69
    Issue: 3
    Date: 1920
    Page Range: 258--268
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  56. Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 31
    Date: 1920
    Page Range: 165--169
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  57. By: Topsent, Émile
    Type: Article
    In: Bulletin de l'Institut océanographique de Monaco
    Volume: 381
    Date: 1920
    Page Range: 1--36
    Publication Info: Monaco, L'Institut,
  58. By: Burkill. I. H. (Isaac Henry),
    Type: Article
    In: The Gardens' bulletin; Straits Settlements
    Volume: 2
    Series: 3
    Date: 1920
    Page Range: 301--302
    Publication Info: Singapore, Botanic Gardens, Singapore, 1913-1941
  59. Type: Article
    In: Botanical gazette
    Volume: 69
    Issue: 2
    Date: 1920
    Page Range: 185--187
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  60. By: Crawley, Howard
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 72
    Date: 1920
    Page Range: 331--336
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  61. By: Prankerd, T L
    Type: Article
    In: Botanical gazette
    Volume: 70
    Issue: 2
    Date: 1920
    Page Range: 148--152
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  62. By: Lincoln, Frederick Charles,
    Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 130--131
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  63. By: Osgood, Wilfred Hudson,
    Type: Article
    In: Journal of mammalogy
    Volume: 1
    Date: 1920
    Page Range: 75--78
    Publication Info: Baltimore, Md, American Society of Mammalogists,
  64. By: Figgins, J. D. (Jesse Dade),
    Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 94--102
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  65. By: Langdon, Ladema M
    Type: Article
    In: Botanical gazette
    Volume: 70
    Issue: 2
    Date: 1920
    Page Range: 110--125
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  66. By: Pollock, James Arthur
    Type: Article
    In: Journal and proceedings of the Royal Society of New South Wales
    Volume: 54
    Date: 1920
    Page Range: 187--196
    Publication Info: Sydney C. Potter, Acting. Govt. Printer 1877-
  67. By: Prell, Heinrich,
    Type: Article
    In: Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere
    Volume: 42
    Date: 1920
    Page Range: 235--272
    Publication Info: Jena [Germany], G. Fischer,
  68. By: Langdon, Ladema M
    Type: Article
    In: Botanical gazette
    Volume: 69
    Issue: 3
    Date: 1920
    Page Range: 270--270
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  69. By: Anders, Josef,
    Type: Article
    In: Hedwigia
    Volume: 61
    Date: 1920
    Page Range: 351--374
    Publication Info: Dresden Verlag und Druck von C. Heinrich
  70. By: Hawken, Roger William Hercules
    Type: Article
    In: The Proceedings of the Royal Society of Queensland
    Volume: 31
    Date: 1920
    Page Range: 94--107
    Publication Info: [Brisbane Royal Society of Queensland] 1885-
  71. By: Gicklhorn, Josef
    Type: Article
    In: Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. Abt. 3, Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin
    Volume: 129
    Date: 1920
    Page Range: 187--213
    Publication Info: Wien, K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder,
  72. By: Klein, Gustav
    Type: Article
    In: Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. Abt. 3, Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin
    Volume: 129
    Date: 1920
    Page Range: 341--395
    Publication Info: Wien, K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder,
  73. By: Meijere, J. C. H. de (Johannes Cornelis Hendrik)
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 63
    Date: 1920
    Page Range: 46--86
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  74. By: Mcneill, Frank A
    Type: Article
    In: Records of the Australian Museum
    Volume: 13
    Date: 1920
    Page Range: 105--109
    Publication Info: Sydney, Printed by order of the Trustees, 1890-
  75. By: Kinghorn, James Roy
    Type: Article
    In: Records of the Australian Museum
    Volume: 13
    Date: 1920
    Page Range: 110--117
    Publication Info: Sydney, Printed by order of the Trustees, 1890-
  76. Type: Article
    In: Botanical gazette
    Volume: 70
    Issue: 3
    Date: 1920
    Page Range: 190--210
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  77. By: Hebard, Morgan,
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 72
    Date: 1920
    Page Range: 14--82
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  78. By: Sharp, David,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 28
    Date: 1920
    Page Range: 74--78
    Publication Info: Lawrence, Kan Allen Press [etc.]
  79. By: Sharp, David,
    Type: Article
    In: The Entomologist's monthly magazine
    Volume: 56
    Series: 3
    Date: 1920
    Page Range: 1--7
    Publication Info: Oxford [etc.] Entomologist's Monthly Magazine Ltd. [etc.]
  80. By: Scott, H. H. (Herbert Hedley) - Lord, Clive E. (Clive Errol),
    Type: Article
    In: Papers and proceedings of the Royal Society of Tasmania
    Date: 1920
    Page Range: 13--15
    Publication Info: Hobart, Tasmania, The Society,
  81. By: Scott, H. H. (Herbert Hedley) - Lord, Clive E. (Clive Errol),
    Type: Article
    In: Papers and proceedings of the Royal Society of Tasmania
    Date: 1920
    Page Range: 76--113
    Publication Info: Hobart, Tasmania, The Society,
  82. By: Scott, H. H. (Herbert Hedley) - Lord, Clive E. (Clive Errol),
    Type: Article
    In: Papers and proceedings of the Royal Society of Tasmania
    Date: 1920
    Page Range: 17--32
    Publication Info: Hobart, Tasmania, The Society,
  83. By: Sherff, Earl Edward,
    Type: Article
    In: Botanical gazette
    Volume: 70
    Issue: 2
    Date: 1920
    Page Range: 89--109
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  84. Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 31
    Date: 1920
    Page Range: 277--280
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  85. By: Chambers, William H
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 7
    Date: 1920
    Page Range: 249--289
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  86. By: Fernald, Merritt Lyndon, - Wiegand, K. M. (Karl McKay),
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 169--179
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  87. By: Scott, H. H. (Herbert Hedley) - Lord, Clive E. (Clive Errol),
    Type: Article
    In: Papers and proceedings of the Royal Society of Tasmania
    Date: 1920
    Page Range: 1--10
    Publication Info: Hobart, Tasmania, The Society,
  88. By: Calvert, Philip Powell,
    Type: Article
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  198. By: Stauder, Hermann
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  203. By: Sutton, Geo L
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  206. By: Knight, Harry H. (Harry Hazelton),
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  207. By: Chermezon, Henri,
    Type: Article
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  209. By: Grobbelaar, Coert Smit
    Type: Article
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  211. By: Clark, Austin Hobart,
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  226. By: Gandoger, Michel,
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  229. By: Keiser, Alfred,
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  230. By: Edwards, F W
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  231. By: Blake, S. F. (Sidney Fay),
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  232. By: Blakeslee, Albert Francis, - Cartledge, J. Lincoln - Welch, Donald S
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  233. By: Grier, Norman McDowell
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  237. By: Schumacher, F.
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  250. By: Fassett, Norman C. (Norman Carter),
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