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  1. By: Roth, Georg,
    Publication info: Leipzig, W. Engelmann, 1904-1905
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
  2. By: Rothmayr, Julius,
    Edition: Gesamt-Ausg. des 1. und 2. bd.
    Publication info: Luzern, E. Haag, 1914
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  3. By: Rothschild, Lionel Walter Rothschild, Baron,
    Publication info: London, Hutchinson & Co, 1907
    Holding Institution: Smithsonian Libraries and Archives
  4. By: Roule, Louis,
    Publication info: Paris, C. Reinwald & Cie, Libraires-Éditeurs, 1894
    Holding Institution: MBLWHOI Library
  5. By: Roulson, Leanne H. - Montana. Department of Fish, Wildlife, and Parks
    Publication info: [Bozeman, Montana Fish, Wildlife & Parks, 2002]
    Holding Institution: Montana State Library
  6. By: Rouy, Georges,
    Publication info: Paris : Imprimerie de E. Martinet, rue Mignon, 2, 1881
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  7. By: Rouy, Georges,
    Publication info: Montpellier : Typographie et litographie Boehm et fils éditeurs de la revue des Sciences naturelles, de la Société languedocienne de géographie, 1883
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  8. By: Rouy, Georges,
    Publication info: Paris : Imprimeries réunies, A Bourloton, Hôtel Mignon, rue Mignon, 2, 1884-1888
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  9. By: Rowan, John J.
    Publication info: London, E. Stanford, 1876
    Holding Institution: University of California Libraries
  10. By: Rowan, John, J.
    Publication info: London, E. Stanford, 1876
    Holding Institution: Canadiana.org
  11. By: Rowell, Percy Elliott.
    Publication info: Berkeley, The Author, 1914, c1913
    Holding Institution: University of California Libraries
  12. By: Rowland, E. (Edward),
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: John Torrey Papers
  13. By: Royal College of Physicians of London.
    Publication info: London Printed by T. Bensley for E. Cox and Son 1815
    Holding Institution: Royal College of Physicians, London
  14. By: Royal Society of Edinburgh.
    Holding Institution: Natural History Museum Library, London
  15. By: Royen, Adrianus van, - Cattell, P. (Illustrator) - Spyck, Johannes van der
    Publication info: Leiden?, circa 1760?
    Holding Institution: Harvard University Botany Libraries
  16. By: Royle, J. Forbes (John Forbes),
    Publication info: London, Allen, 1837
    Holding Institution: Yale Cushing-Whitney Medical Library
    BHL Collections: Expanding Access to Biodiversity Literature
  17. By: Rozen, Jerome G. (Jerome George),
    Publication info: 1988
    Holding Institution: American Museum of Natural History Library
  18. By: Rozen, Jerome G. (Jerome George),
    Publication info: New York, N.Y, American Museum of Natural History, c1988
    Holding Institution: American Museum of Natural History Library
  19. By: Rozen, Jerome G. (Jerome George),
    Publication info: New York, NY American Museum of Natural History c2003
    Holding Institution: American Museum of Natural History Library
  20. By: Rozen, Jerome G. (Jerome George),
    Publication info: 2003
    Holding Institution: American Museum of Natural History Library
  21. By: Rozen, Jerome G. (Jerome George),
    Publication info: New York, N.Y, American Museum of Natural History, c1977
    Holding Institution: American Museum of Natural History Library
  22. By: Rozen, Jerome G. (Jerome George),
    Publication info: 1977
    Holding Institution: American Museum of Natural History Library
  23. By: Rozen, Jerome G. (Jerome George),
    Publication info: 1991
    Holding Institution: American Museum of Natural History Library
  24. By: Rozen, Jerome G. (Jerome George),
    Publication info: New York, N.Y, American Museum of Natural History, c1991
    Holding Institution: American Museum of Natural History Library
  25. By: Rozen, Jerome G. (Jerome George), - Danforth, Bryan N. - Smith, Corey Shepard - Decker, Brenna L., - Dorian, Nicholas N., - Dority, Delina, - Kilpatrick, Shelby Kerrin, - Krichilsky, Erin - Laws, Angela N., - Urban-Mead, Katherine R. - Rozen, Jerome G. (Jerome George), - Cane, James H. (James Harley),
    Publication info: New York, NY, American Museum of Natural History, [2019]
    Holding Institution: American Museum of Natural History Library
  26. By: Rozen, Jerome G. (Jerome George), - Smith, Corey Shepard - Roubik, David W. (David Ward),
    Publication info: New York, NY, American Museum of Natural History, [2019]
    Holding Institution: American Museum of Natural History Library
  27. By: Rozen, Jerome G. (Jerome George), - Wyman, Eli S.
    Publication info: New York, NY, American Museum of Natural History, [2014]
    Holding Institution: American Museum of Natural History Library
  28. By: Rudd, W. H.
    Publication info: Boston, c1889
    Holding Institution: Library of Congress
  29. By: Rudolph, Randell Charles, - Davison, D. S. (Douglas Stewart), - Alberta. Alberta Environment. Research Management Division. - Alberta. Environmental Protection Services.
    Publication info: [Edmonton, Alta.], Alberta Environment, Environmental Protection Services, Research Management Division, 1985
    Holding Institution: University of Alberta Library
  30. By: Rudolph, Thomas D., - North Central Forest Experiment Station (Saint Paul, Minn.). Institute of Forest Genetics.
    Publication info: Rhinelander, Wis, Institute of Forest Genetics, North Central Forest Experiment Station, Forest Service, U.S.D.A, 1974
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  31. By: Rudolphi, Karl Asmund,
    Publication info: Amstelaedami, Sumtibus Tabernae Librariae et Artium, 1808-10
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  32. By: Rudolphi, Karl Asmund,
    Publication info: Berolini, Sumtibus A. Rücker, 1819
    Holding Institution: MBLWHOI Library
  33. By: Rudolphi, Karl Asmund, - How, William Dunbar, - Lawrence, William, Sir, - King's College London.
    Publication info: London printed for Lomgman, Hurst, Rees, Orme, Brown, and Green 1825
    Holding Institution: King's College London, Foyle Special Collections Library
  34. By: Ruffin, Edmund,
    Edition: 2d ed.
    Publication info: Shellbanks, Va, Farmers' register, 1835
    Holding Institution: Library of Congress
  35. By: Ruffin, Edmund,
    Edition: 3d ed.
    Publication info: Petersburg, The author, 1842
    Holding Institution: Multiple institutions
  36. By: Ruffin, Edmund,
    Edition: 5th ed., amended and enl.
    Publication info: Richmond, Va, J.W. Randolph, 1852
    Holding Institution: Multiple institutions
  37. By: Ruffin, Edmund,
    Publication info: Petersburg, Va, J. W. Campbell, 1832
    Holding Institution: Library of Congress
  38. By: Rufford, Philip James. - Crake, W. V. - Hastings Museum and Art Gallery.
    Publication info: Claremont, Hastings, Hastings Museum, [1902?]
    Holding Institution: Smithsonian Libraries and Archives
  39. By: Rufz, E.
    Edition: 2. éd.
    Publication info: Paris, G. Bailli, 1859
    Holding Institution: American Museum of Natural History Library
  40. By: Rugh, Roberts,
    Edition: [Rev. ed.]
    Publication info: Minneapolis, Burgess Pub. Co, [1948]
    Holding Institution: MBLWHOI Library
  41. By: Rugh, Roberts,
    Edition: [3d ed.].
    Publication info: Minneapolis, Burgess Pub. Co, [1962]
    Holding Institution: MBLWHOI Library
  42. By: Ruhland, Wilhelm Otto Eugen
    Publication info: Leipzig : Verlag von Wilhelm Engelmann (Druck von Breitkopf & Härtel in Leipzig), 1903
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  43. By: Ruiz, Ricardo
    Publication info: Madrid : [Real Academia de Ciencias exactas, físicas y naturales] (Por Aguado, Impresor de Cámara de S.M. y de su Real Casa), 1865
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  44. By: Rumble, Mark A. - Anderson, Stanley H.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  45. By: Rumble, Mark A. - Anderson, Stanley H.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  46. By: Rumsey, Fay.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Forest Service, 1965
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  47. By: Runnegar, Bruce - Newell, Norman D.,
    Publication info: New York, N.Y, American Museum of Natural History, [1974]
    Holding Institution: American Museum of Natural History Library
  48. By: Rusby, Henry Hurd,
    Publication info: New York, [Torrey Botanical Club], 1893-1907
    Holding Institution: Wellesley College Library
  49. By: Rusby, Henry Hurd, - Jelliffe, Smith Ely,
    Publication info: New York, D.O. Haynes & Co, 1895
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Missouri Botanical Garden's Materia Medica
  50. By: Ruschenberger, W. S. W. (William Samuel Waithman),
    Publication info: Philadelphia, Grigg and Elliot, 1845
    Holding Institution: University of California Libraries
  51. By: Ruschenberger, W. S. W. (William Samuel Waithman),
    Publication info: Philadelphia, Claxton, Remsen & Haffelfinger, 1871 [c1850]
    Holding Institution: University of California Libraries
  52. By: Ruschenberger, W. S. W. (William Samuel Waithman), - Comté, Achille, - Milne-Edwards, H. (Henri),
    Publication info: Philadelphia, Griggs & Elliot, 1845, c1842
    Holding Institution: University of California Libraries
  53. By: Ruschenberger, W. S. W. (William Samuel Waithman), - Comté, Achille, - Milne-Edwards, H. (Henri),
    Publication info: Philadelphia, Grigg & Elliot, 1844
    Holding Institution: Smithsonian Libraries and Archives
  54. By: Ruschenberger, W. S. W. (William Samuel Waithman), - Comté, Achille, - Milne-Edwards, H. (Henri),
    Publication info: Philadelphia, Grigg & Elliot, 1845
    Holding Institution: University of California Libraries
  55. By: Ruschenberger, W. S. W. (William Samuel Waithman), - Comté, Achille, - Milne-Edwards, H. (Henri),
    Publication info: Philadelphia, Grigg & Elliot, 1845
    Holding Institution: University of California Libraries
  56. By: Ruschenberger, W. S. W. (William Samuel Waithman), - Milne-Edwards, H. (Henri), - Comté, Achille,
    Publication info: Philadelphia, Grigg & Elliot, 1846, c1844
    Holding Institution: University of California Libraries
  57. By: Ruschenberger, W. S. W. (William Samuel Waithman), - Milne-Edwards, H. (Henri), - Comté, Achille,
    Publication info: Philadelphia, Grigg & Elliot, 1844
    Holding Institution: University of California Libraries
  58. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1932
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  59. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1933
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  60. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1934
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  61. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1935
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  62. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1945
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  63. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1946
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  64. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1943
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  65. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1944
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  66. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1936
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  67. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1937
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  68. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1938
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  69. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1939
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  70. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1940
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  71. By: Ruschmohr Dahlia Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rockville Centre, L.I., New York, Ruschmohr Dahlia Gardens, 1942
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  72. By: Russell, David, M.D.
    Publication info: London, Allen & Unwin, [1922]
    Holding Institution: Cornell University Library
  73. By: Russell, Frank,
    Publication info: [Iowa City?], State University of Iowa, 1898
    Holding Institution: Canadiana.org
  74. By: Russell, Frank, - University of Iowa.
    Publication info: [Iowa City?], The University, 1898
    Holding Institution: Multiple institutions
  75. By: Russell, H. L. (Harry Luman), - Hastings, Edwin George,
    Publication info: Boston, Ginn and company, [c1909]
    Holding Institution: University of California Libraries
  76. By: Russell, Robert, of Elgin. - Huber, François, - Russell, Robert, of Elgin.
    Publication info: Elgin [Scot.], Printed for and by Roel, 1822
    Holding Institution: Cornell University Library
  77. By: Russell, William B. (William Bacon), - Alberta. Forest Service. - Alberta. Alberta Energy and Natural Resources. - Russell Ecological Consultants.
    Publication info: Edmonton, Alta, Alberta Energy and Natural Resources, 1984
    Holding Institution: University of Alberta Library
  78. By: Russo, L. - Russo, P.
    Publication info: Rabat : au siège de l'Institut Scientifique Chérifien ; Paris : 11, rue Victor-Cousin (Ve) chez Émile Larose, Éditeur ; Londres : 44, great Russell Street chez Janson et Sons, 1933
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  79. By: Rust, Arthur
    Publication info: London, E. & F.N. Spon, [1888?]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  80. By: Ruth, Robert H.
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  81. By: Rutherford, J. G. (John Gunion),
    Publication info: Ottawa, S.E. Dawson, 1906
    Holding Institution: Canadiana.org
  82. By: Rutherford, J. G. (John Gunion),
    Publication info: Ottawa, C.H. Parmelee, 1909
    Holding Institution: Canadiana.org
  83. By: Rütimeyer, L. (Ludwig),
    Publication info: Zürich, Druck von Zürcher und Furrer, 1891
    Holding Institution: Smithsonian Libraries and Archives
  84. By: Ryker, Russell A. - Intermountain Forest and Range Experiment Station (Ogden, Utah)
    Publication info: Ogden, Utah, U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station, 1970
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  85. By: S. H. Notley (Firm) - Notley, S. H. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Escondido, Calif, S. H. Notley, [1916]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  86. By: Saab, Victoria Ann - United States. Bureau of Land Management. - United States. Bureau of Land Management.
    Publication info: Boise, Idaho, Bureau of Land Management, Idaho State Office, [1998]
    Holding Institution: Bureau of Land Management
  87. By: Sabatier, Armand,
    Publication info: Montpelier, Coulet, 1877-
    Holding Institution: Smithsonian Libraries and Archives
  88. By: Sabine, Robert.
    Publication info: London, Virtue Brothers, 1867
    Holding Institution: University of California Libraries
  89. By: Safford, William Edwin,
    Publication info: [New York], 1911
    Holding Institution: University Library, University of Illinois Urbana Champaign
  90. By: Saida, Kōtarō, - Tokahashi, Akiomi,
    Publication info: Tokyo, 1893
    Holding Institution: Cornell University Library
  91. By: Saint Maur, Kate V. (Kate Vandenhoff),
    Publication info: New York, The Macmillan Co, 1909
    Holding Institution: University of California Libraries
  92. By: Salant, William - Rieger, J. B.
    Publication info: Washington, Govt. Print. Off, 1913
    Holding Institution: University of California Libraries
  93. By: Saleeby, C. W. (Caleb Williams),
    Publication info: London, Harper & brothers, 1906
    Holding Institution: University of California Libraries
  94. By: Saleeby, C. W. (Caleb Williams),
    Publication info: London, Harper, 1906
    Holding Institution: University of Toronto - Robarts Library
  95. By: Salem Nurseries (Salem, Ohio) - Cope Bros. & Fultz Nursery, Inc. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Salem, Ohio, Salem Nurseries, [1934?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  96. By: Salem Nurseries (Salem, Ohio) - Cope Brothers (Salem, Ohio) - Fultz Nursery, Inc. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Salem, Ohio, Salem Nurseries, [1930]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  97. By: Salgueiro González, Francisco Javier
    Publication info: Sevilla : [s.n.], 1998
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  98. By: Salisbury, Rollin D.,
    Publication info: New York, Holt, [1910]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  99. By: Salm, Robert.
    Publication info: Dresden, E. Pierson, [1907]
    Holding Institution: University of Connecticut Libraries
  100. By: Salmon, Otilia.
    Publication info: 1982
    Holding Institution: University of Florida, George A. Smathers Libraries
  101. By: Salter, Richard E. - University of Alberta.
    Publication info: Edmonton, University of Alberta, 1978
    Holding Institution: University of Alberta Library
  102. By: Samouelle, George.
    Edition: 2d ed.
    Publication info: London, Henderson, 1841
    Holding Institution: Multiple institutions
  103. By: Samouelle, George.
    Publication info: London Printed for Longman, Hurst, Rees, Orme, Brown, and Green, 1824
    Holding Institution: Smithsonian Libraries and Archives
  104. By: Samouelle, George.
    Publication info: London, Printed for Thomas Boys, No. 7, Ludgate Hall, 1819
    Holding Institution: Multiple institutions
  105. By: Sampaio, Diogo de Carvalho e,
    Publication info: Madrid : na Officina Typographica da Viuva de Ibarra. Com as licenças necessarias, 1790
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  106. By: Sampaio, Diogo de Carvalho e,
    Publication info: En Madrid : en la Imprenta Real, 1795
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  107. By: Sampaio, Gonçalo
    Publication info: Coimbra : Imprensa da Universidade, 1912
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  108. By: Sampaio, Gonçalo
    Publication info: Coimbra : Imprensa da Universidade, 1904
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  109. By: Sampaio, Gonçalo
    Publication info: Porto : [s.n.], 1900
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  110. By: Sampson, Arthur W. (Arthur William),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1919
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  111. By: Sampson, Frank W. - Missouri. Conservation Commission.
    Publication info: [Place of publication not identified], Missouri Conservation Commission, 1953
    Holding Institution: University Library, University of Illinois Urbana Champaign
  112. By: Sampson, Harry Oscar,
    Publication info: New York, Macmillan, 1919, c1918
    Holding Institution: Library of Congress
  113. By: Sampson, Harry Oscar,
    Publication info: New York, Macmillan, 1919, c1918
    Holding Institution: University of California Libraries
  114. By: Samuel L. Presner (Firm), - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Coral Gables, Florida, Samuel L. Presner, [1956?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  115. By: Samuel L. Presner (Firm), - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Coral Gables, Florida, Samuel L. Presner, [1954?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  116. By: Samuelson, James,
    Edition: 2nd ed.
    Publication info: London, J. Van Voorst, 1860
    Holding Institution: Wellcome Library
  117. By: Samuelson, James, - Hicks, John Braxton
    Publication info: London, J. Van Voorst, 1858
    Holding Institution: Multiple institutions
  118. By: San Miguel López, Elia
    Publication info: Madrid : Departamento de Biología, Facultad de Ciencias, Universidad Autónoma de Madrid, 2004
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  119. By: Sanborn, Colin Campbell,
    Publication info: Chicago, 1939
    Holding Institution: University Library, University of Illinois Urbana Champaign
  120. By: Sanborn, Colin Campbell,
    Publication info: Chicago, 1943
    Holding Institution: University Library, University of Illinois Urbana Champaign
  121. By: Sánchez, Jésus, - Mexico. Secretaría de Fomento
    Publication info: México, Oficina Tip. de la Secretaría de Fomento, 1895
    Holding Institution: Biblioteca Conjunta de Ciencias de la Tierra, Instituto de Ciencias del Mar y Limnología, UNAM
    BHL Collections: Publicaciones en Español
  122. By: Sanders, James Glossbrenner, - United States. Bureau of Entomology. - United States. Department of Agriculture.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Entomology, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  123. By: Sanders, T. W. (Thomas William),
    Edition: 13th ed.
    Publication info: London, W. H. & L. Collingridge, [1908]
    Holding Institution: Cornell University Library
  124. By: Sanderson, Dwight, - Jackson, C. F. (Cicero Floyd),
    Publication info: Boston, Ginn and company, [c1912]
    Holding Institution: University of California Libraries
  125. By: Sanderson, Dwight, - Jackson, C. F. (Cicero Floyd),
    Publication info: Boston, Ginn and Company, [c1912]
    Holding Institution: Multiple institutions
  126. By: Sanderson, Glen C. - Norton, Horace W. - Hurley, Sarah S. - Illinois. Natural History Survey Division
    Publication info: Champaign, Ill, Illinois Natural History Survey, 1981
    Holding Institution: University Library, University of Illinois Urbana Champaign
  127. By: Santos Abreu, Elías
    Publication info: Barcelona, Sobs. de López Robert, 1918
    Holding Institution: Smithsonian Libraries and Archives
    BHL Collections: Publicaciones en Español
  128. By: Saporta, Gaston, marquis de, - Marion, A.-F.‏ ‎ (Antoine Fortuné),‏ ‎
    Publication info: Paris, G. Baillière, 1881
    Holding Institution: University Library, University of North Carolina at Chapel Hill
  129. By: Sarasin, Paul,
    Publication info: Wiesbaden, 1887-1908
    Holding Institution: Natural History Museum Library, London
    BHL Collections: Under the Sea: World Oceans Day
  130. By: Sarasin, Paul, - Sarasin, Fritz,
    Publication info: Wiesbaden, C.W. Kreidel, 1887-93
    Holding Institution: University Library, University of Illinois Urbana Champaign
  131. By: Sarcoxie Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sarcoxie, Missouri, Sarcoxie Nurseries, 1930
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  132. By: Sarcoxie Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sarcoxie, Missouri, Sarcoxie Nurseries, 1930
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  133. By: Sarcoxie Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sarcoxie, Missouri, Sarcoxie Nurseries, 1929
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  134. By: Sarcoxie Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sarcoxie, Missouri, Sarcoxie Nurseries, [1929?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  135. By: Sarcoxie Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Sarcoxie, Missouri, Sarcoxie Nurseries, [1928]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  136. By: Sarhan, M. E.
    Publication info: [Berkeley], Division of Agricultural Sciences, University of California, [l981]
    Holding Institution: University of California, Davis Libraries
  137. By: Sarvis, J. T. (Johnson Thatcher), - North Dakota Agricultural College. - United States. Bureau of Plant Industry.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1923
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  138. By: Saskatchewan. Weeds and Seed Branch.
    Publication info: Regina, J.W. Reid, 1916
    Holding Institution: Canadiana.org
  139. By: Sassaman, Robert W. - Barrett, James W. (James Willis), - Smith, Justin G. (Justin Gardner),
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1972
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  140. By: Sassaman, Robert W. - Barrett, James W. (James Willis), - Smith, Justin G. (Justin Gardner), - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Edition: Rev.
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1973
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  141. By: Saucerotte, C. (Antoine Constant),
    Publication info: Paris, Chez Aug. Delalain, libraire, 1834
    Holding Institution: Smithsonian Libraries and Archives
  142. By: Saulson, Jon M. (Jon Michael),
    Publication info: 1981
    Holding Institution: University of Florida, George A. Smathers Libraries
  143. By: Saunders, William,
    Publication info: Ottawa, Dept. of Agriculture, 1887
    Holding Institution: Canadiana.org
  144. By: Saussure, Henri de
    Publication info: Genève, J.G. Fick, 1860
    Holding Institution: California Academy of Sciences
  145. By: Saussure, Henri de
    Publication info: Paris, V. Masson, 1852-1858
    Holding Institution: Multiple institutions
  146. By: Saussure, Henri de
    Publication info: Paris, Imprimerie Nationale, 1874
    Holding Institution: Naturalis Biodiversity Center
  147. By: Savage, Ronald Maxwell.
    Publication info: New York, Hafner Pub. Co, 1962 [c1961]
    Holding Institution: MBLWHOI Library
  148. By: Savoie, F. N. (François Narcisse), - Québec (Province). Dept. of Agriculture.
    Publication info: [Québec], Dépt. de l'agriculture, 1916
    Holding Institution: Canadiana.org
  149. By: Savoy, Hubert P. C.
    Publication info: Fribourg, Impr. Fragnière frères, 1900
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  150. By: Savoy, Hubert P. C.
    Publication info: Fribourg, Fragnière frères, 1900
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  151. By: Scanlon, Mike
    Publication info: 1967
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  152. By: Scarritt Patagonian Expedition 1930-1931) - Scarritt Patagonian Expedition (1933-1934) - Simpson, George Gaylord,
    Publication info: 1935
    Holding Institution: American Museum of Natural History Library
  153. By: Scarritt Patagonian Expedition 1930-1931) - Schaeffer, Bobb, - Simpson, George Gaylord,
    Publication info: 1947
    Holding Institution: American Museum of Natural History Library
  154. By: Scarritt Patagonian Expedition 1930-1931) - Simpson, George Gaylord,
    Publication info: 1932
    Holding Institution: American Museum of Natural History Library
  155. By: Schaefer, Allan Lee, - University of Alberta. Department of Animal Science.
    Publication info: 1979
    Holding Institution: University of Alberta Library
  156. By: Schaerer, Ludov. Emanuel,
    Publication info: Bernae, Sumtibus Auctoris Excudebat Officina Staempfliana, 1850
    Holding Institution: University Library, University of Illinois Urbana Champaign
  157. By: Schäffer, Jacob Christian,
    Publication info: Regensburg, Gedruckt bey den Gebrudern Zunkel, 1757
    Holding Institution: Wellcome Library
  158. By: Schäffer, Jacob Christian, - Maag, Johann Nepomuk,
    Publication info: Ratisbonae (Regensburg), Typis Weissianis, 1766
    Holding Institution: NCSU Libraries
  159. By: Schäffer, Jacob Christian, - Schäffer, Jacob Christian,
    Edition: Editio tertia.
    Publication info: Ratisbonae, 1780
    Holding Institution: Library of the Netherlands Entomological Society, Naturalis Biodiversity Center
  160. By: Schäffer, Jacob Christian, - Zunckel, Immanuel (Regensburg) - Zunckel, Heinrich Gottfried (Regensburg)
    Publication info: Regensburg, gedruckt bey den Gebrüdern Zunkel, 1757
    Holding Institution: Naturalis Biodiversity Center
  161. By: Schallau, Con H.
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, 1970
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  162. By: Schallau, Con H. - Maki, Wilbur R. - Pacific Northwest Research Station (Portland, Or.)
    Publication info: Portland, Or, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1986]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  163. By: Schargel, Walter E. - Rivas Fuenmayor, Gilson - Myers, Charles W.
    Publication info: New York, NY American Museum of Natural History c2005
    Holding Institution: American Museum of Natural History Library
  164. By: Schenk, Samuel Leopold,
    Publication info: London, Longmans, Green, and co, 1893
    Holding Institution: University of California Libraries
  165. By: Schenkling, Sigmund, - Reitter, Edmund, - Deutscher Lehrerverein für Naturkunde.
    Publication info: Stuttgart, K.G. Lutz' Verlag, 1917
    Holding Institution: Smithsonian Libraries and Archives
  166. By: Schier, George A. - Campbell, Robert B. (Robert Bruce), - Intermountain Forest and Range Experiment Station (Ogden, Utah) - United States. Forest Service.
    Publication info: Ogden, Utah, Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1978
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  167. By: Schinz, H. R. (Heinrich Rudolf),
    Publication info: Stuttgart, E. Schweizerbarts Verlagshandlung, 1840
    Holding Institution: Smithsonian Libraries and Archives
  168. By: Schlegel, H. (Hermann),
    Publication info: Amsterdam, Schonekat, 1837
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  169. By: Schlegel, H. (Hermann),
    Publication info: Leide, Arnez & comp, [1837?]
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  170. By: Schlegel, H. (Hermann),
    Publication info: Edinburgh, Maclachlan, Stewart & Co, 1843
    Holding Institution: Cambridge University Library
    BHL Collections: Charles Darwin's Library
  171. By: Schlegel, H. (Hermann), - Lizars, W. H. - Traill, Thomas Stewart,
    Publication info: Edinburgh, Maclachlan, Stewart, and Co, 1843
    Holding Institution: Multiple institutions
  172. By: Schlegel, H. (Hermann), - Susemihl, Johann Conrad, - Susemihl, Erwin Edward, - Susemihl, Johann Conrad
    Publication info: Darmstadt, Verlag der Kunstanstalt von Conrad Susemihl & Sohn, [1845]
    Holding Institution: Smithsonian Libraries and Archives
  173. By: Schlegel, H. (Hermann), - Susemihl, Johann Conrad, - Susemihl, Erwin Edward.
    Publication info: Darmstadt, Susemihl, [1845]
    Holding Institution: Naturalis Biodiversity Center
  174. By: Schlieter, Joyce A. - Forestry Sciences Laboratory (Missoula, Mont.) - Intermountain Research Station (Ogden, Utah) - United States. Forest Service.
    Publication info: [Ogden, Utah], U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1986
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  175. By: Schlieter, Joyce A. - Hawkins, Charles H. - Intermountain Research Station (Ogden, Utah)
    Publication info: [Ogden, Utah], U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, [1989]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  176. By: Schmid, J. M. - Mata, S.A. - Mitchell, J.C.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  177. By: Schmidt, Victor
    Publication info: 1891
    Holding Institution: Smithsonian Libraries and Archives
  178. By: Schmidt, Wyman C., - Friede, Judy L. - Intermountain Research Station (Ogden, Utah)
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    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  179. By: Schmidt, Wyman C., - McDonald, Kathy J. - Intermountain Research Station (Ogden, Utah)
    Publication info: Ogden, UT, U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, [1995]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  180. By: Schmiedlein, Gottfried Benedict,
    Publication info: Leipzig, Verlegts A.F. Böhme, 1786
    Holding Institution: Library of the Netherlands Entomological Society, Naturalis Biodiversity Center
  181. By: Schneider Anton, - Royal College of Physicians of Edinburgh.
    Publication info: Breslau, J.U. Kern, 1883
    Holding Institution: Royal College of Physicians in Edinburgh
  182. By: Schoenherr, Allan A. - Southern California Botanists. - California State University, Fullerton. Department of Biological Sciences.
    Publication info: Claremont, CA, Southern California Botanists, Rancho Santa Ana Botanic Gardens, c1990
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: Expanding Access to Biodiversity Literature
  183. By: Schoenleber, L.G. - Butt, B. A. (Bill A.), - White, L. D.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  184. By: Schoenleber, Leonard G. - Atkinson, H. M. - Short, Robert E., - United States. Agricultural Research Service. Western Region.
    Publication info: Berkeley, Calif, U.S. Dept. of Agriculture, Agricultural Research Service, Western Region, 1973
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  185. By: Schopf, James Morton,
    Publication info: Urbana, The University of Illinois Press, 1943
    Holding Institution: University Library, University of Illinois Urbana Champaign
  186. By: Schroeder Vineyard. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hutchinson, Kansas, The Schroeder Vineyard, [1954]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  187. By: Schröter, Johann Samuel, - Linné, Carl von, - Capieux, Johann Stephan, - Gebauer, Johann Jacob
    Publication info: Halle, Bey Johann Jacob Gebauer, 1783-1786
    Holding Institution: Smithsonian Libraries and Archives
  188. By: Schrottky, Curt,
    Publication info: S. Paulo [Brazil], Typograpia do "Diario Official", 1902
    Holding Institution: Smithsonian Libraries and Archives
  189. By: Schubert, Gilbert Herman, - California Forest and Range Experiment Station.
    Publication info: Berkeley, Calif, California Forest and Range Experiment Station, 1955
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  190. By: Schubert, Gotthilf Heinrich von, - Kneeland, Samuel, - Urbino, S. R. (Samson R.),
    Publication info: Boston, S. R. Urbino, 1869
    Holding Institution: Library of Congress
  191. By: Schulte, Hermann von Wechlinger,
    Publication info: Philadelphia, Pa, 1914
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  192. By: Schultz (C.D.) & Company. - Alberta. Alberta Lands and Forests.
    Publication info: Vancouver [B. C.], C. D. Schultz, 1973
    Holding Institution: University of Alberta Library
  193. By: Schultz, Carl Heinrich, - Seemann, Berthold, - Potts, J.
    Publication info: s.l, s.n, 1856?
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  194. By: Schultz, Dave. - Kliejunas, John T. - United States. Forest Pest Management.
    Publication info: San Francisco, Calif, USDA Forest Service, Pacific Southwest Region, State and Private Forestry, Forest Pest Management, [1984]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  195. By: Schulz, Otto Eugen
    Publication info: Leipzig : Verlag von Wilhelm Engelmann (Druck von Breitkopf & Härtel in Leipzig), 1907
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  196. By: Schulze, Johann Heinrich, - Mayer, Christoph Albrecht.
    Publication info: Altorfii, Typis Jodoci Guil. Kohlesii, [1727]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  197. By: Schumacher, Christian Friedrich,
    Publication info: Hafniae, F. Brummer, 1801-1803
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  198. By: Schumacher, Christian Friedrich, - Bagge, Oluf-Olufsen,
    Publication info: À Copenhague, De l'Imprimerie de Mr. le directeur Schultz, 1817
    Holding Institution: Smithsonian Libraries and Archives
  199. By: Schumacher, F. X. (Francis Xavier),
    Publication info: Berkeley, Cal, Agricultural Experiment Station, 1932
    Holding Institution: University of California, Davis Libraries
  200. By: Schumacher, Heinrich Christian Friederich
    Publication info: Hafniae : Apud Fridericum Brummer. Typis Zach. Breum, 1803
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  201. By: Schumacher, Heinrich Christian Friederich
    Publication info: Hafniae : Apud Fridericum Brummer, typis E. M. Cohen, 1801
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  202. By: Schumacher, Wilhelm,
    Publication info: Berlin, O. Müller, 1864
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  203. By: Schur, Philipp Johann Ferdinand,
    Publication info: Vindobonae, Apud G. Braumhuller, 1866
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  204. By: Schur, Philipp Johann Ferdinand,
    Publication info: Vindobonae, Sumptibus C. Graeser, 1885
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
  205. By: Schurman, Jacob Gould,
    Publication info: New York, Scribner, 1888
    Holding Institution: University of Toronto - Robarts Library
  206. By: Schwartz, Jeffrey H. - Tattersall, Ian
    Publication info: 1985
    Holding Institution: American Museum of Natural History Library
  207. By: Schwarz, Eugene Amandus,
    Publication info: 1878
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  208. By: Schwarz, Eugene Amandus,
    Publication info: 1914-1919
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  209. By: Schwarz, Eugene Amandus,
    Publication info: 1898
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  210. By: Schwarz, Eugene Amandus,
    Publication info: 1881
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  211. By: Schwarz, Eugene Amandus,
    Publication info: 1876-1904
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  212. By: Schwarz, Eugene Amandus,
    Publication info: 1919-1924
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  213. By: Schwarz, Eugene Amandus,
    Publication info: 1924-1925
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  214. By: Schwarz, Eugene Amandus,
    Publication info: 1901-1902
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  215. By: Schwarz, Eugene Amandus, - Barber, Herbert Spencer,
    Publication info: 1919
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  216. By: Schwarz, Eugene Amandus, - Barber, Herbert Spencer,
    Publication info: 1906
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  217. By: Schwarz, Eugene Amandus, - Barber, Herbert Spencer,
    Publication info: 1913-1914
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  218. By: Schwarz, Eugene Amandus, - Busck, August,
    Publication info: 1911
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  219. By: Schwarz, Eugene Amandus, - United States. Department of Agriculture. - National Museum of Natural History (U.S.)
    Publication info: 1901
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  220. By: Schweitzer, Dennis L. - Benson, Robert E. (Robert Earl), - Ulrich, James R.
    Publication info: Ogden, Intermountain Forest and Range Experiment Station, 1976
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  221. By: Schwikkard, Ludewig Heinrich, - Dieterich, Johann Christian,
    Publication info: Göttingen, Bey Johann Christian Dieterich, 1800
    Holding Institution: Smithsonian Libraries and Archives
  222. By: Schwindt, Evangelina, - Battini, Nicolás, - Giachetti, Clara - Castro, Karen - Bortolus, Alejandro
    Publication info: Buenos Aires, Argentina, Vazquez Mazzini Editores, 2018
    Holding Institution: Evangelina Schwindt - Alejandro Bortolus
    BHL Collections: Publicaciones en Español
  223. By: Sclater, Philip Lutley, - Salvin, Osbert,
    Edition: [Imperial quarto ed.].
    Publication info: London, Bernard Quaritch, 1866-1869
    Holding Institution: Smithsonian Libraries and Archives
  224. By: Sclater, Philip Lutley, - Salvin, Osbert, - Smith, J., - Hanhart, Michael, - Hanhart, N,
    Publication info: London, Bernard Quaritch, 1869
    Holding Institution: Smithsonian Libraries and Archives
  225. By: Scofield, Carl S.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: Multiple institutions
  226. By: Scopoli, Giovanni Antonio, - Trattner, Johann Thomas, Edler von,
    Publication info: Vindobonae, Trattner, 1763
    Holding Institution: Naturalis Biodiversity Center
  227. By: Scorer, Alfred George.
    Publication info: London, G. Routledge & sons, limited, 1913
    Holding Institution: University of California Libraries
  228. By: Scott, Dukinfield Henry,
    Publication info: London, Williams and Norgate, [c1911]
    Holding Institution: University of California Libraries
  229. By: Scott, Dukinfield Henry,
    Publication info: London, Macmillan and co., limited, 1924
    Holding Institution: Wellcome Library
  230. By: Scott, John Thackery, - Cagley, Charles E.
    Publication info: Urbana, Ill, University of Illinois, College of Agriculture, Agricultural Experiment Station, 1968
    Holding Institution: University Library, University of Illinois Urbana Champaign
  231. By: Scott, Thomas Bodley.
    Publication info: London, Lewis, 1922
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  232. By: Scott, Thomas G. (Thomas George)
    Publication info: Urbana, Ill, State of Illinois, Dept. of Registration, Natural History Survey Division, 1955
    Holding Institution: University Library, University of Illinois Urbana Champaign
  233. By: Scott, William Berryman,
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  234. By: Scoville, Samuel,
    Publication info: Boston, The Atlantic Monthly Press, [c1920]
    Holding Institution: Cornell University Library
  235. By: Scoville, Samuel,
    Publication info: Boston, The Atlantic Monthly Press, [c1920]
    Holding Institution: NCSU Libraries
  236. By: Scoville, Samuel,
    Publication info: Boston, The Atlantic monthly press, [c1920]
    Holding Institution: University of California Libraries
  237. By: Scudder, Samuel Hubbard,
    Publication info: S.l, s.n, 188-?
    Holding Institution: Canadiana.org
  238. By: Scudder, Samuel Hubbard,
    Publication info: [Boston, 1868]-1878
    Holding Institution: Smithsonian Libraries and Archives
  239. By: Scudder, W. T. (Walter T.)
    Publication info: Gainesville, Fla, University of Florida Agricultural Experiment Station, 1963
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  240. By: Sears, Karen E. - Finarelli, John A. - Flynn, John J. (John Joseph), - Wyss, André R.
    Publication info: New York, NY American Museum of Natural History c2008
    Holding Institution: American Museum of Natural History Library
  241. By: Sedgwick, Adam, - Balfour, Francis M. (Francis Maitland), - Foster, M. (Michael), Sir, - Heape, Walter, - Royal College of Physicians of Edinburgh.
    Edition: 2nd ed. rev. / edited by Adam Sedgwick and Walter Heape.
    Publication info: London, Macmillan, 1883
    Holding Institution: Royal College of Physicians in Edinburgh
  242. By: Sedgwick, Adam, - Claus, Carl, - Heathcote F. G. - Royal College of Physicians of Edinburgh.
    Publication info: London, W. Swan Sonnenschein, 1884-1885
    Holding Institution: Royal College of Physicians in Edinburgh
  243. By: Sedgwick, Adam, - Claus, Carl, - Heathcote F. G. - Royal College of Physicians of Edinburgh.
    Edition: 6th ed.
    Publication info: London, Swan Sonnenschein, 1897
    Holding Institution: Royal College of Physicians in Edinburgh
  244. By: Seeker, Albert Frederick. - Mathewson, Walter Eldridge.
    Publication info: [Washington, Govt. Print. Off.], 1910
    Holding Institution: University of California Libraries
  245. By: Seeley, H. G. (Harry Govier),
    Publication info: New York, Review of Reviews Co, 1910 [c1902]
    Holding Institution: Smithsonian Libraries and Archives
  246. By: Seelig, William N. - Ahrens, John P. - Coastal Engineering Research Center (U.S.)
    Publication info: Fort Belvoir, Va, U.S. Army Coastal Engineering Research Center, 1980
    Holding Institution: MBLWHOI Library
  247. By: Seelig, William N. - Ahrens, John P. - Coastal Engineering Research Center (U.S.)
    Publication info: Fort Belvoir, Va, U.S. Army, Corps of Engineers, Coastal Engineering Research Center, 1981
    Holding Institution: MBLWHOI Library
  248. By: Seelig, William N. - Ahrens, John P. - Grosskopf, William G. - Coastal Engineering Research Center (U.S.)
    Publication info: Fort Belvoir, Va, U.S. Army, Corps of Engineers, Coastal Engineering Research Center, 1983]
    Holding Institution: MBLWHOI Library
  249. By: Seelig, William N. - Coastal Engineering Research Center (U.S.)
    Publication info: Fort Belvoir, Va, U.S. Army, Corps of Engineers, Coastal Engineering Research Center, 1979]
    Holding Institution: MBLWHOI Library
  250. By: Seelig, William N. - Coastal Engineering Research Center (U.S.)
    Publication info: Fort Belvoir, Va, U.S. Army, Corps of Engineers, Coastal Engineering Research Center, 1980]
    Holding Institution: MBLWHOI Library
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  1. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-02-24
  2. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1859-02-25
  3. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1871-02-25
  4. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1873-02-26
  5. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1848-02-27
  6. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1863-02-27
  7. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-02-27
  8. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-02-28
  9. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1874-02-28
  10. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-02-03
  11. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-02-03
  12. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-02-03
  13. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1852-02-04
  14. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-02-04
  15. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1865-02-05
  16. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1871-02-05
  17. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1879-02-05
  18. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1845-02-06
  19. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1851-02-06
  20. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1860-02-07
  21. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-02-07
  22. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1856-02-08
  23. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1875-02-08
  24. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1863-02-09
  25. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-02-09
  26. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1844-02
  27. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1884-02-11
  28. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-01-10
  29. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1845-01-11
  30. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1853-01-11
  31. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-01-11
  32. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1883-01-11
  33. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1883-01-13
  34. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1879-01-14
  35. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-01-14
  36. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-01-15
  37. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-01-16
  38. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-01-17
  39. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1883-01-17
  40. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1843-01-18
  41. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1843-01-18
  42. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-01
  43. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1860-01-20
  44. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1866-01-20
  45. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-01-20
  46. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-01-20
  47. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1842-01-21
  48. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1863-01-21
  49. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1874-01-21
  50. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1850-01-23
  51. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1850-01-23
  52. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-01-23
  53. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1884-01-23
  54. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-01-24
  55. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1853-01-27
  56. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1861-01-28
  57. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-01-28
  58. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1856-01-29
  59. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1863-01-29
  60. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1846-01-03
  61. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1875-01-03
  62. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-01-03
  63. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-01-03
  64. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1850-01-30
  65. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-01-31
  66. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1851-01-04
  67. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1848-01-05
  68. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1863-01-06
  69. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1874-01-06
  70. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-01-06
  71. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1842-01-08
  72. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1844-01-08
  73. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1861-01-08
  74. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1872-01-08
  75. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-01-08
  76. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1871-01-09
  77. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-07-01
  78. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1874-07-11
  79. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1860-07-12
  80. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1852-07-14
  81. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-07-14
  82. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-07-14
  83. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1853-07-16
  84. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1865-07-17
  85. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-07-17
  86. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1858-07-18
  87. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1879-07-18
  88. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1874-07
  89. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-07-19
  90. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1874-07-20
  91. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1856-07-21
  92. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1875-07-21
  93. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1845-07-22
  94. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1871-07-23
  95. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-07-24
  96. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-07-24
  97. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1842-07-25
  98. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1866-07-25
  99. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-07-25
  100. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1848-07-26
  101. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1876-07-26
  102. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-07-26
  103. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1843-07-27
  104. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1847-07-27
  105. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-07-27
  106. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1853-07-28
  107. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1851-07-29
  108. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1870-07-29
  109. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1846-07-03
  110. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1871-07-03
  111. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1871-07-03
  112. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-07-31
  113. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1853-07-04
  114. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1864-07-06
  115. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-07-06
  116. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1857-07-07
  117. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-07-07
  118. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-07-07
  119. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-07-07
  120. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1861-07-08
  121. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1875-07-09
  122. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1848-06-01
  123. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1858-06-01
  124. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-06-01
  125. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1848-06-10
  126. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-06-10
  127. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-06-10
  128. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-06-11
  129. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1855-06-12
  130. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1860-06-12
  131. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1883-06-12
  132. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1847-06-13
  133. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1871-06-13
  134. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-06-13
  135. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-06-13
  136. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1873-06-14
  137. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1859-06-15
  138. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-06-16
  139. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-06-16
  140. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-06-16
  141. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1865-06-17
  142. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-06
  143. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1859-06-02
  144. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1883-06-02
  145. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-06-21
  146. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-06-21
  147. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1842-06-22
  148. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-06-22
  149. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1883-06-22
  150. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-06-23
  151. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-06-23
  152. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1876-06-24
  153. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-06-24
  154. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1841-06-25
  155. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1846-06-25
  156. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1856-06-27
  157. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1879-06-27
  158. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-06-28
  159. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1850-06-29
  160. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1871-06-29
  161. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1842-06-30
  162. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1842-06-30
  163. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1842-06-30
  164. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1842-06-30
  165. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-06-30
  166. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1843-06-04
  167. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1863-06-04
  168. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1865-06-05
  169. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-06-06
  170. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-06-06
  171. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1845-06-09
  172. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-06-09
  173. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1873-06-09
  174. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1884-03-10
  175. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1844-03-11
  176. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1851-03-12
  177. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1856-03-12
  178. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1865-03-12
  179. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-03-14
  180. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1872-03-14
  181. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-03-15
  182. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1853-03-16
  183. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1875-03-18
  184. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1857-03-02
  185. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1870-03-02
  186. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1872-03-02
  187. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-03-02
  188. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1842-03-20
  189. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1846-03-20
  190. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1845-03-21
  191. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1847-03-23
  192. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1848-03-23
  193. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1857-03-23
  194. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1857-03-23
  195. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-03-24
  196. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-03-24
  197. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-03-24
  198. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1855-03-25
  199. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1856-03-26
  200. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1866-03-26
  201. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1850-03-27
  202. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1853-03-27
  203. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-03-27
  204. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1840
  205. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1849-03-28
  206. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1845-03-29
  207. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1870-03-29
  208. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1872-03-29
  209. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1866-03-03
  210. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-03-03
  211. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1871-03-30
  212. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1849-03-04
  213. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1845-03-05
  214. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-03-05
  215. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-03-06
  216. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1875-03-07
  217. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1849-03-08
  218. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1850-03-08
  219. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1843-03-09
  220. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1847-03-09
  221. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1850-03-09
  222. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1873-03-09
  223. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-05-01
  224. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-05-01
  225. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1877-05-01
  226. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1847-05-11
  227. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1849-05-12
  228. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1845-05-13
  229. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1849-05-13
  230. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1856-05-13
  231. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1859-05-13
  232. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1861-05-13
  233. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1875-05-13
  234. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1878-05-13
  235. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-05-13
  236. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1848-05-14
  237. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1862-05-14
  238. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1883-05-14
  239. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1881-05-16
  240. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1860-05-17
  241. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1850-05-18
  242. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1860-05-18
  243. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1867-05-18
  244. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1880-05-18
  245. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1846-05-19
  246. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1858-05-02
  247. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1873-05-20
  248. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1850-05-22
  249. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1882-05-22
  250. By: Engelmann, George,
    Type: Correspondence
    In: George Engelmann letters to Asa Gray
    Date: 1875-05-24
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