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  1. By: Beutner, R. (Reinhard),
    Publication info: Stuttgart, Enke, 1920
    Holding Institution: MBLWHOI Library
  2. By: Bevins, Collin D. - Intermountain Forest and Range Experiment Station (Ogden, Utah) - United States. Forest Service.
    Publication info: Ogden, Utah, U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1980
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Beynon, Elias, - Felgenhauer, Paul.
    Publication info: Nürnberg, Zu finden bey Johann Hoffmann, Künst- und Buch-Händlern, 1696
    Holding Institution: John Carter Brown Library
  4. By: Bickford, E. H.
    Publication info: Toronto, W. Tyrrell, 1917
    Holding Institution: Canadiana.org
  5. By: Bicknell, Russell D. C., - Kenny, Katrina, - Plotnick, Roy E.
    Publication info: New York, NY, American Museum of Natural History, [2023]
    Holding Institution: American Museum of Natural History Library
  6. By: Bicknell, Russell D. C., - Kimmig, Julien, - Smith, Patrick M. - Scherer, Torsten,
    Publication info: New York, NY, American Museum of Natural History, [2024]
    Holding Institution: American Museum of Natural History Library
  7. By: Biedermann, W. (Wilhelm),
    Publication info: Jena, Fischer, 1895
    Holding Institution: MBLWHOI Library
  8. By: Biedermann, W. (Wilhelm), - Welby, Frances A. (Frances Alice)
    Publication info: London, Macmillan, 1896-98
    Holding Institution: MBLWHOI Library
  9. By: Biedermann, W. (Wilhelm), - Welby, Frances A. (Frances Alice)
    Publication info: London, Macmillan, 1896-98
    Holding Institution: University of California Libraries
  10. By: Bielfeld, Jacob Friedrich, Freiherr von, - Hooper, William,
    Publication info: London, Printed by G. Scott, for J. Robson, 1770
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  11. By: Bigelow, Henry B. (Henry Bryant),
    Publication info: Cambridge, The Museum, 1914
    Holding Institution: Smithsonian Libraries and Archives
  12. By: Bigelow, Henry B. (Henry Bryant), - United States. Bureau of Fisheries.
    Publication info: Washington, D.C, U.S. G.P.O, 1917
    Holding Institution: MBLWHOI Library
  13. By: Bigelow, Maurice Alpheus,
    Publication info: Cambridge, Mass, Printed for the Museum, 1902
    Holding Institution: MBLWHOI Library
  14. By: Bigot, J.-M.-F. (Jacques Marie Frangile),
    Publication info: Paris, Imprimerie nationale, 1888
    Holding Institution: Field Museum of Natural History Library
  15. By: Bilharz, Theodor,
    Publication info: Leipzig, W. Engelmann, 1857
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  16. By: Billberg, Gustaf Johan,
    Publication info: [Stockholm], Typis Gadelianis, 1820
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  17. By: Bilyk, Lonnie P. - Sherrington, M. - Fawcett, M. - Alberta. Alberta Environment. - Geowest Environmental Consultants Ltd. - SLRI Consultants Ltd.
    Publication info: Edmonton, Alberta Environment, 1999
    Holding Institution: University of Alberta Library
  18. By: Binet, Étienne,
    Edition: Seconde edition, reueuë, corrigée, & augmentée par l'autheur.
    Publication info: A Rouen, Chez Iean Osmont, 1622
    Holding Institution: Smithsonian Libraries and Archives
  19. By: Binet, Étienne,
    Edition: 9. ed., reueuë, corr., & augm. de nouueau.
    Publication info: Lyon, N. Gay, 1636
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
  20. By: Binkley, Virgil Wayne. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1965
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  21. By: Birch, John.
    Publication info: Edinburgh, William Blackwood and Sons, 1892
    Holding Institution: Webster Family Library of Veterinary Medicine
  22. By: Birch-Hirschfeld, A. - University College, London. Library Services.
    Publication info: Wiesbaden, verlag von J. F. Bergmann, 1907
    Holding Institution: Wellcome Library
  23. By: Birch-Hirschfeld, A. - University College, London. Library Services.
    Publication info: Wiesbaden, verlag von J. F. Bergmann, 1910
    Holding Institution: Wellcome Library
  24. By: Birch-Hirschfeld, A. - University College, London. Library Services.
    Publication info: Wiesbaden, verlag von J. F. Bergmann, 1914
    Holding Institution: UCL Library Services, University College London (UCL)
  25. By: Bird, Junius Bouton, - Institute of Andean Research (New York, N.Y.)
    Publication info: 1943
    Holding Institution: American Museum of Natural History Library
  26. By: Bird, Ralph Durham, - Canada. Department of Agriculture. Research Station (Winnipeg, Man.)
    Publication info: [Ottawa], Research Branch, Canada Dept. of Agriculture, 1961]
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  27. By: Birdsall, Egbert B.,
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: John Torrey Papers
  28. By: Birkemeier, William A. (William Allen), - 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
  29. By: Bischoff, Th. Ludw. Wilh. (Theodor Ludwig Wilhelm),
    Publication info: Leipzig, 1842
    Holding Institution: MBLWHOI Library
  30. By: Bischoff, Th. Ludw. Wilh. (Theodor Ludwig Wilhelm),
    Publication info: Braunschweig, F. Vieweg und sohn, 1845
    Holding Institution: University of California Libraries
  31. By: Bishop, T. B. (Thomas Bond)
    Publication info: Edinburgh, Oliphants, [1918]
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
  32. By: Bitting, A. W. (Arvill Wayne),
    Publication info: Washington, Govt. Print. Off, 1909
    Holding Institution: University of California Libraries
  33. By: Bjorkbom, John C., - Northeastern Forest Experiment Station (Radnor, Pa.) - United States. Forest Service.
    Publication info: Upper Darby, PA, Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1973
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  34. By: Blackwelder, Eliot,
    Publication info: New York, American Book Co, [1911]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  35. By: Blagrave, Joseph,
    Publication info: London, Printed for Benjamin Billingsley, 1685
    Holding Institution: Columbia University Libraries
  36. By: Blanchaud, H. (Hervé),
    Publication info: Nantes, Tainon, [1922]
    Holding Institution: Webster Family Library of Veterinary Medicine
  37. By: Blanco Juste, Francisco Javier
    Publication info: Madrid : Bolaños y Aguilar, 1936
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  38. By: Bland-Sutton, John, Sir,
    Publication info: London, W. Scott, [1890?]
    Holding Institution: Internet Archive
  39. By: Bland-Sutton, John, Sir,
    Publication info: New York, Scribner & Welford, 1890
    Holding Institution: Francis A. Countway Library of Medicine
  40. By: Bland-Sutton, John, Sir,
    Publication info: New York, W. Scott, 1890
    Holding Institution: University of Toronto - St. Michael’s College (John M. Kelly Library)
  41. By: Bland-Sutton, John, Sir, - Society of Writers to H.M. Signet (Great Britain),
    Publication info: London, W. Scott, 1890
    Holding Institution: Multiple institutions
  42. By: Blickenstaff, C. C. - United States. Agricultural Research Service.
    Publication info: Oakland, Calif, U.S. Dept. of Agriculture, Agricultural Research Service, 1982]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  43. By: Bloomberg, Eugene.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1918
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  44. By: Bloomfield, Michael Irwin.
    Publication info: Edmonton, University of Alberta, Dept. of Animal Science, 1979
    Holding Institution: University of Alberta Library
  45. By: Blue Ridge Evergreen Supply Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Doeville, Tennessee, Blue Ridge Evergreen Supply Co, [1932?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  46. By: Blume, C. L. (Carl Ludwig),
    Publication info: Lugduni Batavorum, Apud J.W. van Leeuwen, 1827-1830
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  47. By: Blytt, Axel,
    Publication info: Christiania : Alb. Cammermeyer (printed by H. J. Jensen), 1876
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  48. By: Boas, Franz, - Comer, George. - Mutch, James S. - Peck, E. J. (Edmund James)
    Publication info: 1901
    Holding Institution: American Museum of Natural History Library
  49. By: Boas, Franz, - Kroeber, A. L. (Alfred Louis), - Peary, Robert E. (Robert Edwin),
    Publication info: 1900
    Holding Institution: American Museum of Natural History Library
  50. By: Boas, J. E. V. (Johan Erik Vesti), - Paulli, Simon,
    Publication info: [Copenhagen, s.n.], 1908-1925
    Holding Institution: Smithsonian Libraries and Archives
  51. By: Bobbink & Atkins (Nursery) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rutherford, New Jersey, Bobbink & Atkins, 1932
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  52. By: Bobbink & Atkins (Nursery) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rutherford, New Jersey, Bobbink & Atkins, 1931
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  53. By: Bobbink & Atkins (Nursery) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rutherford, New Jersey, Bobbink & Atkins, 1929
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  54. By: Bobbink & Atkins (Nursery) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rutherford, New Jersey, Bobbink & Atkins, 1928
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  55. By: Bobbink & Atkins (Nursery) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rutherford, N.J, Bobbink & Atkins, [1937?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  56. By: Bobbink & Atkins (Nursery) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Edition: Revised edition.
    Publication info: Rutherford, N.J, Bobbink & Atkins, [1926]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  57. By: Bobbink & Atkins (Nursery) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Rutherford, N.J, Bobbink & Atkins, [1924]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  58. By: Boerker, Richard H. D. (Richard Hans Douai),
    Publication info: Lincoln, Neb, 1916
    Holding Institution: University of British Columbia Library
  59. By: Boerker, Richard H. D. (Richard Hans Douai),
    Publication info: Lincoln, Neb, 1916
    Holding Institution: Cornell University Library
  60. By: Boerker, Richard H. D. (Richard Hans Douai),
    Publication info: Lincoln, Neb, 1916
    Holding Institution: University of Toronto - Earth Sciences Library (Noranda)
  61. By: Boettger, O. (Oskar),
    Publication info: Frankfurt a. M, 1878-1879
    Holding Institution: Smithsonian Libraries and Archives
  62. By: Bogert, Charles M. (Charles Mitchill),
    Publication info: New York, N.Y, American Museum of Natural History, [1969]
    Holding Institution: American Museum of Natural History Library
  63. By: Bogert, Charles M. (Charles Mitchill),
    Publication info: 1969
    Holding Institution: American Museum of Natural History Library
  64. By: Bogoras, Waldemar,
    Publication info: Leiden, E. J. Brill ltd.; New York, G. E. Stechert & co, 1913
    Holding Institution: American Museum of Natural History Library
  65. By: Boheman, C. H. (Carl Henrik),
    Publication info: [S.l, s.n.], 1852
    Holding Institution: NCSU Libraries
  66. By: Boisduval, Jean Alphonse,
    Publication info: Paris, Librairie d'horticulture de E. Donnaud, 1867
    Holding Institution: NCSU Libraries
  67. By: Boisduval, Jean Alphonse,
    Publication info: Paris, Chez Méquignon-Marvis; [etc., etc.], 1829
    Holding Institution: University Library, University of Illinois Urbana Champaign
  68. By: Boissier, Edmond,
    Publication info: Genevae : Typographia Lador et Ramboz, 1838
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  69. By: Boissier, Edmond,
    Publication info: Genevae, Typ. Lador et Ramboz, 1838
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
  70. By: Bollen, W. B. (Walter Beno), - Lu, K. C. - Tarrant, Robert F., - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: [Portland, Or.], Pacific North West Forest and Range Experiment Station, [1970]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  71. By: Bollman, Wease. - Montana. Department of Environmental Quality
    Publication info: Missoula, MT, Rhithron Biological Associates, [1999]
    Holding Institution: Montana State Library
  72. By: Bollow, George Edward.
    Publication info: Monterey, California, Naval Postgraduate School, 1971
    Holding Institution: Naval Postgraduate School
  73. By: Bölsche, Wilhelm, - Untermann, Ernest.
    Edition: 8th thousand. --
    Publication info: Chicago, C.H. Kerr, 1907, c1905
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
  74. By: Bölsche, Wilhelm, - Untermann, Ernest.
    Publication info: Chicago, C.H. Kerr & Company, 1905
    Holding Institution: University of California Libraries
  75. By: Bond, Carl E. - Storm, Robert M - Marshall, David B., - Olterman, James Howard. - Verts, B. J. - Oregon State University. Agricultural Experiment Station.
    Publication info: Corvallis, Agricultural Experiment Station, Oregon State University, [1966-1974]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  76. By: Bondello, Michael C. - Brattstrom, Bayard H. - United States. Bureau of Land Management.
    Publication info: [Calif.], [U.S. Department of the Interior, Bureau of Land Management], 1979
    Holding Institution: Bureau of Land Management
  77. By: Bonnell Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Portland, Oregon, Sweeney, Krist & Dimm
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  78. By: Bonnewitz, Lee R. - Bonnewitz, Lee R. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Van Wert, Ohio, Lee R. Bonnewitz, [1925?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  79. By: Bonvouloir, Henry de, vicomte,
    Publication info: Paris, A. Deyrolle, 1859
    Holding Institution: Cornell University Library
  80. By: Bonwich, Elizabeth. - Delannoy, Michael. - Doberstein, Stephen. - Grimaldi, David A.
    Publication info: 1994
    Holding Institution: American Museum of Natural History Library
  81. By: Boordy Vineyard, - Wagner, Julius - Wagner, Philipp - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Riverwood, Maryland, Boordy Vineyard, [1953]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  82. By: Booth, Gregory Seeley.
    Publication info: Monterey, California, Naval Postgraduate School, 1972
    Holding Institution: Naval Postgraduate School
  83. By: Borden, Avis, - Shelton, G. L. - Ball, W. E., Jr. - David W. Taylor Model Basin.
    Publication info: Washington, D.C, Dept. of the Navy, David Taylor Model Basin, 1953
    Holding Institution: MBLWHOI Library
  84. By: Bormann, Bernard T. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: [Portland, Or.?], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, [1985]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  85. By: Bory de Saint-Vincent, (Jean Baptiste Geneviève Marcellin), M.
    Publication info: Paris : Chez F. G. Levrault, imprimeur-libraire, rue de la Harpe, n.º 81 ; Strasbourg : même maison, rue des Juifs, n.º 33 (Strasbour, imprimerie de Levrault), 1835-1836
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  86. By: Bory de Saint-Vincent, (Jean Baptiste Geneviève Marcellin), M.
    Publication info: Paris : Chez F. G. Levrault, imprimeur-libraire, rue de la Harpe, n.º 81 ; Strasbourg : même maison, rue des Juifs, n.º 33 (Strasbour, imprimerie de Levrault), 1832-1833
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  87. By: Bory de Saint-Vincent, (Jean Baptiste Geneviève Marcellin), M. - Lamarck, Jean-Baptiste-Pierre-Antoine de Monet de
    Publication info: Paris, Veuve Agasse, 1826
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  88. By: Bosch i Daniel, Maria
    Publication info: Barcelona : Departament de Productes Naturals, Biologia Vegetal Sanitària i Edafologia, Facultad de Farmàcia, Universitat de Barcelona, 1996
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  89. By: Bosse, Thomas E.
    Publication info: Monterey, California, Naval Postgraduate School, 1984
    Holding Institution: Naval Postgraduate School
  90. By: Boston (Mass.). Parks and Recreation Department.
    Publication info: 2001
    Holding Institution: Boston Public Library
  91. By: Botanic Gardens (Singapore)
    Publication info: 1925
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  92. By: Botanic Gardens (Singapore) - Burkill. I. H. (Isaac Henry),
    Publication info: 1920
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  93. By: Botanic Gardens (Singapore) - Burkill. I. H. (Isaac Henry), - Guillemard, Laurence,
    Publication info: 1921-1923
    Holding Institution: Singapore Botanic Gardens, National Parks Board Singapore
    BHL Collections: BHL Singapore
  94. By: Bouquet de La Grye, Amédée,
    Edition: 10. éd.
    Publication info: Paris, J. Rothschild, 1899
    Holding Institution: University of Toronto - Robarts Library
  95. By: Bourassé, J.-J. (Jean Jacques),
    Edition: Huitième édition.
    Publication info: Tours, A. Mame et fils, 1873
    Holding Institution: Cornell University Library
  96. By: Bourcart, Emanuel.
    Publication info: Genf, 1889
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  97. By: Bourgain, Jean.
    Publication info: Paris, Giard, 1908
    Holding Institution: University of Toronto - Robarts Library
  98. By: Bourguignat, J. R. (Jules René),
    Publication info: Paris, V. Tremblay, 1885
    Holding Institution: Smithsonian Libraries and Archives
  99. By: Bourguignat, J. R. (Jules René),
    Publication info: Paris, V. Tremblay, [1887]
    Holding Institution: Smithsonian Libraries and Archives
  100. By: Bourguignat, J. R. (Jules René), - Risso, Alberto.
    Publication info: Paris, J.B. Baillière, [1861]
    Holding Institution: Smithsonian Libraries and Archives
  101. By: Boussac, Jean,
    Publication info: Paris, Laboratoire de géologie, 1911
    Holding Institution: Smithsonian Libraries and Archives
  102. By: Boussac, Jean,
    Publication info: Paris, Laboratoire de géologie, 1912
    Holding Institution: Smithsonian Libraries and Archives
  103. By: Boutelou y Agraz, Esteban
    Publication info: Madrid : Imprenta de Villalpando, 1806
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  104. By: Boutelou y Soldevilla, Esteban - Colmeiro, Miguel,
    Publication info: Sevilla : Imprenta de Don José M. Geofrin, calle de Olavide núms. 4 y 5, 1854
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  105. By: Bouvier, E.-L. (Eugène-Louis), - Fischer, Henri
    Publication info: Paris, Librairie C. Reinwald, [1899?]
    Holding Institution: Smithsonian Libraries and Archives
  106. By: Bouvier, E.-L. (Eugène-Louis), - Gravier, Ch. (Charles), - Milne-Edwards, Alphonse, - Perrier, Edmond, - France. Ministère de l'éducation nationale - Talisman (Steamboat) - Travailleur (Steamboat)
    Publication info: Paris, G. Masson, 1888-1927
    Holding Institution: Multiple institutions
  107. By: Boveri, Theodor,
    Publication info: Jena, G. Fischer, 1899
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  108. By: Boveri, Theodor,
    Publication info: Jena, G. Fischer, 1904
    Holding Institution: NCSU Libraries
  109. By: Bovi, Odair Alves,
    Publication info: 1983
    Holding Institution: University of Florida, George A. Smathers Libraries
  110. By: Bowdich, T. Edward (Thomas Edward),
    Publication info: Paris, Printed by J. Smith, and sold by Treuttel and Würtz, London, 1822
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  111. By: Bowdich, T. Edward (Thomas Edward),
    Publication info: Paris, Printed by J. Smith, and sold by Treuttel and Würtz, London, 1822
    Holding Institution: Smithsonian Libraries and Archives
  112. By: Bowdich, T. Edward (Thomas Edward), - Lee, R., Mrs.,
    Publication info: London, G.B. Whittaker, 1825
    Holding Institution: Smithsonian Libraries and Archives
    BHL Collections: Women in Natural History
  113. By: Bowen, John T. (John Thomas),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1919
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  114. By: Bowen, Richard Le Baron, - Clark, Austin Hobart,
    Publication info: 1949
    Holding Institution: American Museum of Natural History Library
  115. By: Bowen, V. T. (Vaughn T.) - U.S. Nuclear Regulatory Commission. Division of Safeguards, Fuel Cycle, and Environmental Research. - Woods Hole Oceanographic Institution.
    Publication info: Washington, D.C, The Commission, 1981
    Holding Institution: MBLWHOI Library
  116. By: Bowen, Zachary H. (Zachary Hanks), - Bovee, Ken D. - Waddle, Terry. - Geological Survey (U.S.) - Governor's Upper Yellowstone River Task Force (Mont.) - United States. Army. Corps of Engineers. Omaha District.
    Publication info: Fort Collins, CO, U.S. Geological Survey, Fort Collins Science Center, [2003]
    Holding Institution: Montana State Library
  117. By: Bowser, Edward Albert,
    Edition: 3d ed.
    Publication info: New York, Van Nostrand, 1889
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  118. By: Boxall, Peter C. (Peter Charles) - Smith, Laverne C.
    Publication info: Edmonton, Alberta, Forestry, Lands and Wildlife, Fish and Wildlife Division, Resource Economics and Assessment Section, 1987
    Holding Institution: University of Alberta Library
  119. By: Boyd, Raymond J. - Intermountain Forest and Range Experiment Station (Ogden, Utah)
    Publication info: Ogden, Utah, Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  120. By: Boyer, G.
    Publication info: Bordeaux, Impr. Gounouilhou, 1918
    Holding Institution: University Library, University of Illinois Urbana Champaign
  121. By: Boyle, Robert, - Flesher, E. (Elizabeth), - Davis, Richard, - Lee, William, Sir,
    Publication info: London, Printed by E. Flesher, for R. Davis, bookseller in Oxford, 1675 [i.e. 1675-1676]
    Holding Institution: Smithsonian Libraries and Archives
  122. By: Boynton, Walter Raymond,
    Publication info: 1975
    Holding Institution: University of Florida, George A. Smathers Libraries
  123. By: Boze, Elzéar.
    Publication info: A Aix, De l'imprimerie de François Guigue, 1829
    Holding Institution: Wellcome Library
  124. By: Bradford, David F. - California. Department of Water Resources.
    Publication info: Los Angeles, CA, Environmental Science & Engineering Program, University of California, [1989]
    Holding Institution: U.S. Government Printing Office
  125. By: Bradley, Harriett,
    Publication info: New York, Columbia university; [etc., etc.], 1918
    Holding Institution: University of California Libraries
  126. By: Bragg, Don C. - Kershner, Jeffrey L. - United States. Forest Service.
    Publication info: [Eureka, CA?], USDA Forest Service, [1997]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  127. By: Brailsford, Edward,
    Publication info: Philadelphia, Printed by John Ormrod, 1799
    Holding Institution: Wellcome Library
  128. By: Brainerd, Jehu.
    Publication info: Columbus, Nevins & Myers, printers, 1876
    Holding Institution: Library of Congress
  129. By: Brainerd, Jehu. - Kirtland, J. P. (Jared Potter),
    Publication info: Columbus, Nevins & Myers, printers, 1878
    Holding Institution: Library of Congress
  130. By: Brandt, Johann-Friedrich, - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia)
    Publication info: St.-Petersbourg, Commissionnaires de l'Académie impériale des sciences, 1874
    Holding Institution: Smithsonian Libraries and Archives
  131. By: Branton, Henry.
    Publication info: [Toronto?, s.n.], 1875
    Holding Institution: Canadiana.org
  132. By: Braun, Annette F. (Annette Frances),
    Publication info: Philadelphia, 1914
    Holding Institution: Smithsonian Libraries and Archives
  133. By: Braun-Blanquet, J. (Josias), - Maire, René-Charles-Joseph-Ernest
    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, 1924
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  134. By: Bree, Charles Robert, - Hayward, William, - Bree, Charles Robert, - Trapp, Frank, - Trapp, Lillian, - Spottiswoode & Co.
    Publication info: London, Longmans, Green and co, 1872
    Holding Institution: Multiple institutions
  135. By: Breger, Carpel Leventhal
    Publication info: 1907
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: BHL Field Notes Project | Smithsonian Field Books collection
  136. By: Breger, Carpel Leventhal
    Publication info: 1907
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: BHL Field Notes Project | Smithsonian Field Books collection
  137. By: Breger, Carpel Leventhal
    Publication info: 1907
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: BHL Field Notes Project | Smithsonian Field Books collection
  138. By: Breger, Carpel Leventhal
    Publication info: 1907-1908
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: BHL Field Notes Project | Smithsonian Field Books collection
  139. By: Breger, Carpel Leventhal
    Publication info: 1907
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: BHL Field Notes Project | Smithsonian Field Books collection
  140. By: Brehm, Vincenz,
    Publication info: København, B. Lunos, 1911
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  141. By: Brême, François de, Marquis,
    Publication info: Paris, Lacheze, 1842-1846
    Holding Institution: Smithsonian Libraries and Archives
  142. By: Brentwood Berry Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Los Angeles, California, Brentwood Berry Gardens, [1949]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  143. By: Breslin, John P. - Macovsky, Morris S. - David W. Taylor Model Basin.
    Publication info: Washington, D.C, Dept. of the Navy, David Taylor Model Basin, 1950
    Holding Institution: MBLWHOI Library
  144. By: Bretschneider, E. (Emil),
    Publication info: Shanghai, China Branch of the Royal Asiatic Society for the year, 1880
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  145. By: Breuninger, Ray. - Hanson, Kathy. - Thompson, Larry S. - Olson-Elliott and Associates.
    Publication info: Helena, Mont, Dept. of Natural Resources and Conservation, Energy Division, [1979]
    Holding Institution: Montana State Library
  146. By: Brewer, T. M. (Thomas Mayo),
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  147. By: Brewster, David, Sir, - Jameson, Robert, - Jameson, Robert, - Lizars, Daniel, - Lizars, Daniel, - Lizars, W. H. - Royal Society of Edinburgh. - Wernerian Natural History Society.
    Publication info: Edinburgh, Printed for Archibald Constable, 1819-1826
    Holding Institution: Multiple institutions
  148. By: Breyne, Jakób,
    Publication info: Gedani : Typis, sumptibus & in aedibus autoris (imprimebat David-Fridericus Rhetius), 1674-1678
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  149. By: Brice, J. J. (John Jones)
    Publication info: Washington, Govt. print. off, 1896
    Holding Institution: Library of Congress
  150. By: Brickell, James E. (James Earl) - Intermountain Forest and Range Experiment Station (Ogden, Utah)
    Publication info: Ogden, Utah, Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  151. By: Bridgeman, Thomas,
    Publication info: New York, D. Mitchell, Printer, 1840
    Holding Institution: Library of Congress
  152. By: Briggs Nursery. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Gardnerville, Nevada, Burke's Lily Gardens, [1955]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  153. By: Briggs, Edward M. - DeHart, R. C. - Southwest Research Institute.
    Edition: Rev. May 1964.
    Publication info: San Antonio, Tex, Southwest Research Institute, 1964
    Holding Institution: MBLWHOI Library
  154. By: Briggs, Lyman J. (Lyman James),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1926
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  155. By: Briggs, Lyman J. (Lyman James), - Campbell, A. B. - Flint, Lewis Herrick, - Heald, R. H. (Roy H.)
    Publication info: n. p, 1926
    Holding Institution: Library of Congress
  156. By: Bright, Henry Arthur,
    Publication info: London, Macmillan and co, 1881
    Holding Institution: University of California Libraries
  157. By: Briquet, John,
    Publication info: Genève et Bâle : H. Georg. & Co, 1894
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  158. By: Brisseau-Mirbel, C.-F. (Charles-François), - Royal College of Physicians of Edinburgh.
    Publication info: Paris, chez Magimel, 1815
    Holding Institution: Royal College of Physicians in Edinburgh
  159. By: Brisseau-Mirbel, C.-F. (Charles-François), - Royal College of Physicians of Edinburgh.
    Publication info: Paris, chez Magimel, 1815
    Holding Institution: Royal College of Physicians in Edinburgh
  160. By: Bristol, D. M.
    Publication info: S.l, s.n, 188-?
    Holding Institution: Webster Family Library of Veterinary Medicine
  161. By: British Columbia Agricultural Association.
    Publication info: [Victoria, B.C.?, s.n.], 1884
    Holding Institution: Canadiana.org
  162. By: British Columbia Agricultural Association.
    Publication info: Victoria [B.C.], G.A. Perrin, 1888
    Holding Institution: Canadiana.org
  163. By: British Museum (Natural History) - Henry Stone & Son
    Publication info: [London], [British Museum (Natural History)], 1923
    Holding Institution: University of Alberta Library
  164. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1924
    Holding Institution: University of Alberta Library
  165. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1924
    Holding Institution: University of Alberta Library
  166. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1924
    Holding Institution: University of Alberta Library
  167. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1925
    Holding Institution: University of Alberta Library
  168. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1925
    Holding Institution: University of Alberta Library
  169. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1924
    Holding Institution: University of Alberta Library
  170. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1924
    Holding Institution: University of Alberta Library
  171. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1924
    Holding Institution: University of Alberta Library
  172. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1924
    Holding Institution: University of Alberta Library
  173. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1925
    Holding Institution: University of Alberta Library
  174. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1925
    Holding Institution: University of Alberta Library
  175. By: British Museum (Natural History) - W.F. Sedgwick, Limited,
    Publication info: [London], [British Museum (Natural History)], 1925
    Holding Institution: University of Alberta Library
  176. By: British Museum (Natural History) - Waterlow and Sons,
    Publication info: [London], [British Museum (Natural History)], 1924
    Holding Institution: University of Alberta Library
  177. By: British Museum (Natural History) - Waterlow and Sons,
    Publication info: [London], [British Museum (Natural History)], 1926
    Holding Institution: University of Alberta Library
  178. By: British Museum (Natural History) - Waterlow and Sons,
    Publication info: [London], [British Museum (Natural History)], 1924
    Holding Institution: University of Alberta Library
  179. By: British Trust for Entomology. - Royal Entomological Society of London - Royal Entomological Society of London. Library
    Publication info: London, Simpkin, Marshall & Co, [1877-
    Holding Institution: Multiple institutions
  180. By: Britten, James,
    Publication info: London, Cassell, Petter, Galpin & Co, [1879-1881.]
    Holding Institution: Harvard University Botany Libraries
  181. By: Britten, James, - Blair, David,
    Publication info: London, Cassell, Petter, Galpin, [1879-1881?]
    Holding Institution: Multiple institutions
  182. By: Britton, Elizabeth G. (Elizabeth Gertrude), - Britton, Nathaniel Lord, - Rusby, Henry Hurd,
    Publication info: New York ?, s.n, 1888-1902
    Holding Institution: Smithsonian Libraries and Archives
    BHL Collections: Women in Natural History
  183. By: Britton, Wilton Everett,
    Publication info: [New Haven], Connecticut Agricultural Experiment Station, 1935
    Holding Institution: University of Connecticut Libraries
  184. By: Britton, Wilton Everett, - Zappe, M. P. (Max Paul), - Stoddard, E. M. (Ernest Marion),
    Publication info: [New Haven], Connecticut Agricultural Experiment Station, 1922
    Holding Institution: University of Connecticut Libraries
  185. By: Britz, Ralf,
    Publication info: 1997
    Holding Institution: American Museum of Natural History Library
  186. By: Britz, Ralf,
    Publication info: New York, N.Y, American Museum of Natural History, c1997
    Holding Institution: American Museum of Natural History Library
  187. By: Broadbent, Emer Elwood,
    Publication info: Urbana, Ill, University of Illinois, Agricultural Experiment Station, 1957
    Holding Institution: University Library, University of Illinois Urbana Champaign
  188. By: Broca, Philippe de,
    Edition: Nouv. éd., augmentée de divers documents et de notes.
    Publication info: Paris, Challamel Ainé, 1865
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  189. By: Brodie, D. A. (David Arthur),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Office of the Secretary, 1911
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  190. By: Brodie, Thomas Gregor,
    Publication info: London, Longmans, Green, and Co, 1898
    Holding Institution: Multiple institutions
  191. By: Brölmann, Johannes Bernardus Balthasar,
    Publication info: 1968
    Holding Institution: University of Florida, George A. Smathers Libraries
  192. By: Brongniart, Adolphe,
    Publication info: Paris, F.G. Levrault, 1825
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  193. By: Bronn, H. G. (Heinrich Georg), - Académie des sciences (France)
    Publication info: Paris, Mallet-Bachelier, 1861
    Holding Institution: Natural History Museum Library, London
    BHL Collections: Charles Darwin's Library
  194. By: Brookfield Gardens, - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Delaware, New Jersey, Brookfield Gardens, 1950
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  195. By: Brookfield Gardens, - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Delaware, New Jersey, Brookfield Gardens, [1951]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  196. By: Brooklyn Entomological Society - New York Entomological Society.
    Publication info: [Lawrence, Kan., etc.], New York Entomological Society [etc.],
    Holding Institution: Smithsonian Libraries and Archives
    BHL Collections: Expanding Access to Biodiversity Literature
  197. By: Brooklyn Ethical Association.
    Publication info: New York, D. Appleton, 1891
    Holding Institution: University of California Libraries
  198. By: Brooklyn Ethical Association.
    Publication info: Boston, J. H. West, 1889
    Holding Institution: University of California Libraries
  199. By: Brooklyn Ethical Association.
    Publication info: Boston, J. H. West, 1889
    Holding Institution: Wellesley College Library
  200. By: Brooks, Margarette W.
    Publication info: New York, 1886
    Holding Institution: Library of Congress
  201. By: Brooks, William Keith, - Herrick, Francis Hobart, - National Academy of Sciences (U.S.)
    Publication info: Washington, National Academy of Sciences, 1891
    Holding Institution: Multiple institutions
  202. By: Broom, Robert,
    Publication info: 1918
    Holding Institution: American Museum of Natural History Library
  203. By: Broome, C. Rose (Carmen Rose),
    Publication info: [United States?, USDA?, 1983?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  204. By: Broshot, Nancy. - Larsen, Lynn - Tinnin, Robert. - 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
  205. By: Brot, A. (Auguste Louis),
    Publication info: Genève, F. Savy, 1867
    Holding Institution: Smithsonian Libraries and Archives
  206. By: Brot, A. (Auguste Louis),
    Publication info: Genève, Georg; [etc.], 1867
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  207. By: Brotherus, V. F. (Viktor Ferdinand),
    Publication info: Helsingforsiae : Ex officina typographica Societatis Litterariae Fennicae, 1893
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  208. By: Brotherus, V. F. (Viktor Ferdinand),
    Publication info: Wien : aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1913
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  209. By: Broughton, Arthur, - Linné, Carl von,
    Publication info: Londini, Impensis G. Robinson, 1782
    Holding Institution: Harvard University Botany Libraries
  210. By: Brouwer and Hancock Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: New London, Connecticut, Brouwer and Hancock Nurseries, 1929
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  211. By: Brown Bulb Ranch. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Capitola, California, Brown Bulb Ranch, October 1, 1954
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Seed & Nursery Catalogs
  212. By: Brown India Expedition (1921-1925) - Brown, Barnum, - Vokes, Harold Ernest,
    Publication info: 1937
    Holding Institution: American Museum of Natural History Library
  213. By: Brown, Adam D.
    Publication info: Lubbock, TX, Museum of Texas Tech University, [2006]
    Holding Institution: Museum of Texas Tech University
  214. By: Brown, Addison,
    Publication info: Lancaster, Pa, Press of the New Era Print. Co, 1908
    Holding Institution: Columbia University Libraries
  215. By: Brown, B. E. (Bailey Edgar), - Maine Agricultural Experiment Station.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1922
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  216. By: Brown, E. B. (Ernest Bonsall),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1922
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  217. By: Brown, E. B. (Ernest Bonsall), - Garrison, H. S. (Harry Slaughter),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1922
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  218. By: Brown, F. Martin (Frederick Martin),
    Publication info: 1928
    Holding Institution: American Museum of Natural History Library
  219. By: Brown, Glenn, - Hamlin, A. D. F. (Alfred Dwight Foster), - Honda, K. - Honda, Kinkichiro, - Howard, John Galen, - Sturgis, R. Clipston
    Publication info: Philadelphia, H.T. Coates & Co, 1902
    Holding Institution: Multiple institutions
  220. By: Brown, J. Wood (James Wood)
    Publication info: Edinburgh D. Douglas 1897
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  221. By: Brown, J. Wood (James Wood)
    Publication info: Edinburgh, D. Douglas, 1897
    Holding Institution: University of California Libraries
  222. By: Brown, J. Wood (James Wood)
    Publication info: Edinburgh, D. Douglas, 1897
    Holding Institution: Columbia University Libraries
  223. By: Brown, James K. (James Kerr),
    Publication info: [St. Paul, Minn.], Lake Staes Forest Experiment Station, Forest Service, U.S. Department of Agriculture, 1965
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  224. By: Brown, Jerry,
    Publication info: [Fairbanks, University of Alaska], 1975
    Holding Institution: MBLWHOI Library
  225. By: Brown, John Pinkney,
    Publication info: Indianapolis, W. B. Burford, printer, [1899?]
    Holding Institution: Library of Congress
  226. By: Brown, Lew - Crouse, Mike - House, Bob, - Wiley, Ron, - Williams, Jack Edward. - United States. Forest Service. - United States. Bureau of Land Management. - U.S. Fish and Wildlife Service - United States. National Marine Fisheries Service.
    Publication info: [Washington, D.C], U.S. Department of Agriculture, Forest Service, © 1996
    Holding Institution: Bureau of Land Management
  227. By: Brown, Thomas C. - Boster, Ron S. (Ronald Stephen), - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  228. By: Brown, Thomas,
    Publication info: London, Printed for Lackington, Allen, & Co. ... Longman, Hurst, Rees, Orme, and Brown ... John Murray ... Archibald Constable and Co. Edinburgh; and John Cumming ... Dublin, 1816
    Holding Institution: Wellcome Library
  229. By: Brown, Thomas,
    Publication info: London, Houlston & Stoneman, 1843
    Holding Institution: Smithsonian Libraries and Archives
  230. By: Brown, Thomas, - Brown, Thomas, - Scott, Robert,
    Publication info: Dublin, Archibald Constable and Co, 1816
    Holding Institution: Multiple institutions
  231. By: Browne, Peter A. (Peter Arrell),
    Publication info: Philadelphia, Printed by J. Thompson, 1837
    Holding Institution: Library of Congress
  232. By: Browne, Thomas, Sir, - Souchay, Jean Baptiste,
    Publication info: Paris, chez Pierre Witte & Didot, 1733
    Holding Institution: Wellcome Library
  233. By: Browne, Thomas, Sir, - Souchay, Jean Baptiste,
    Publication info: Paris, chez Pierre Witte & Didot, 1733
    Holding Institution: Wellcome Library
  234. By: Browne, Thomas, Sir, - Souchay, Jean Baptiste,
    Publication info: Paris, chez Pierre Witte & Didot, 1733
    Holding Institution: Wellcome Library
  235. By: Brown-Séquard, Charles-Edouard,
    Publication info: New York, H. Bailliere, 1853
    Holding Institution: University of California Libraries
  236. By: Bruand d'Uzelle, Charles Théophile,
    Publication info: Besançon, 1852
    Holding Institution: Cornell University Library
  237. By: Brubaker, Albert P. (Albert Philson),
    Publication info: [1894?]
    Holding Institution: Columbia University Libraries
  238. By: Bruce, David, - DeMars, Donald J. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, [1974]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  239. By: Bruce, L. C. - Bruce, Sanders Dewees, - Coates, Henry T. (Henry Troth), - Fleming, George, - Harvey, Ellwood, - Walsh, J. H. (John Henry),
    Edition: Rev. ed.
    Publication info: Philadelphia, Porter & Coates, 1880
    Holding Institution: Webster Family Library of Veterinary Medicine
  240. By: Bruch, Edmond.
    Publication info: 1860
    Holding Institution: MBLWHOI Library
  241. By: Bruinooge, Lois. - Massachusetts. Division of Wetlands and Waterways. - McGregor, Shea & Doliner.
    Publication info: Boston, Mass, Dept. of Environmental Protection, Division of Wetlands and Waterways, 1990
    Holding Institution: UMass Amherst Libraries
  242. By: Brumley, Oscar Victor - Snook, James Howard.
    Publication info: Columbus, The University, 1916
    Holding Institution: University of California Libraries
  243. By: Bruner, Stephen C. (Stephen Cole),
    Publication info: Santiago de las Vegas, Estación Central Agronómica de Cuba, 1917
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: Publicaciones en Español
  244. By: Brunet, Ovide,
    Publication info: Québec, P. G. Delisle, 1870
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  245. By: Brunet, Ovide,
    Publication info: Québec, G. & G.E. Desbarats, 1864
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
  246. By: Brunet, Ovide,
    Publication info: Quebec, G. & G. E.Desbarats, 1864
    Holding Institution: Queen's University, W.D. Jordan Special Collections & Music Library
  247. By: Brunet, Ovide,
    Publication info: Québec, G. & G.E. Desbarats, 1864
    Holding Institution: Canadiana.org
  248. By: Brünnich, M. Thr. (Morten Thrane), - Brünnich, M. Thr. (Morten Thrane), - Kall, J. C. (Johan Christian), - Brünnich, Peter, - Avist, H.
    Publication info: Kiøbenhavn, Imprimatur J.C. Kall, 1763
    Holding Institution: Smithsonian Libraries and Archives
  249. By: Bryan, A. Hugh (Albert Hugh), - Given, Arthur. - Straughn, M. N. (Martin Norris),
    Publication info: [Washington, Govt. print off.], 1911
    Holding Institution: University of California Libraries
  250. By: Bryan, O. C. (Ollie Clifton),
    Publication info: Baltimore, 1922
    Holding Institution: Library of Congress
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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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