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  1. By: Pelzeln, August von, - Natterer, Johann,
    Publication info: Wien, A. Pichler's Witwe & Sohn, 1871
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Nathorst, A. G. (Alfred Gabriel),
    Publication info: Stockholm, Norstedt, 1894
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  3. By: Beck, Günther.
    Publication info: Wien, [s.n.], 1880-1883
    Holding Institution: University Library, University of Illinois Urbana Champaign
  4. By: Schoebel, Emil.
    Publication info: 1890
    Holding Institution: Smithsonian Libraries and Archives
  5. By: Bergendal, David,
    Publication info: Lund, Berlingska Bogtr.- och Stilgjuteri-Aktiebolaget, 1892
    Holding Institution: Smithsonian Libraries and Archives
  6. By: Hoffmann, Hermann,
    Publication info: Haarlem, De Erven Loosjes, 1875
    Holding Institution: Cambridge University Library
    BHL Collections: Charles Darwin's Library
  7. By: Darwin, Charles, - Hoffmann, Hermann,
    Holding Institution: Cambridge University Library
    BHL Collections: Charles Darwin's Library
  8. By: Schött, Harald Gerhard.
    Publication info: Stockholm, P.A. Norstedt & söner, 1893
    Holding Institution: Smithsonian Libraries and Archives
  9. By: Gadow, Hans,
    Publication info: Jena, G. Fischer, 1880
    Holding Institution: Smithsonian Libraries and Archives
  10. By: Stoll, O.
    Publication info: Berlin, 1897
    Holding Institution: University Library, University of Illinois Urbana Champaign
  11. By: Kalk, Richard
    Publication info: Berlin, J. Springer, 1889
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  12. By: Spengel, J. W. (Johann Wilhelm),
    Publication info: Jena, Gustav Fischer, 1898
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
  13. By: Garth, Wilhelm Emil,
    Publication info: Giessen, Curt von Münchow, 1894
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  14. By: Brauer, Friedrich, - Bergenstamm, Julius von, - Kaiserlich Museum zu Vienna.
    Publication info: Wien, K.K. Hof-und Staatsdruckerei, 1880-
    Holding Institution: Smithsonian Libraries and Archives
  15. By: Deutsche Nordpolar-Expedition - Koldewey, Karl, - Geographische Gesellschaft in Bremen. - Verein für die Deutsche Nordpolarfahrt in Bremen.
    Publication info: Leipzig F.A. Brockhaus 1873-1874
    Holding Institution: Multiple institutions
< Prev   121 122 123 124 125 126 127 128 129 130
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  1. By: Darlington, Sallie P.
    Type: Correspondence
    In: Asa Gray correspondence. Senders D
    Date: 1871-05-04
    Publication Info: [1831-1895]
  2. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1857-04-11
    Publication Info: [1836-1862]
  3. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1853-04-21
    Publication Info: [1836-1862]
  4. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1850-04-22
    Publication Info: [1836-1862]
  5. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1852-04-22
    Publication Info: [1836-1862]
  6. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1852-04-26
    Publication Info: [1836-1862]
  7. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1857-08-10
    Publication Info: [1836-1862]
  8. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1850-08-17
    Publication Info: [1836-1862]
  9. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1852-08-21
    Publication Info: [1836-1862]
  10. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1860-12-10
    Publication Info: [1836-1862]
  11. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1850-12-19
    Publication Info: [1836-1862]
  12. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1854-02-15
    Publication Info: [1836-1862]
  13. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1857-02-02
    Publication Info: [1836-1862]
  14. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1853-01-10
    Publication Info: [1836-1862]
  15. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1850-01-23
    Publication Info: [1836-1862]
  16. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1852-01-07
    Publication Info: [1836-1862]
  17. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1851-07-11
    Publication Info: [1836-1862]
  18. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1852-07-02
    Publication Info: [1836-1862]
  19. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1859-07-21
    Publication Info: [1836-1862]
  20. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1850-07-03
    Publication Info: [1836-1862]
  21. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1850-06-01
    Publication Info: [1836-1862]
  22. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1859-06-10
    Publication Info: [1836-1862]
  23. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1856-06-16
    Publication Info: [1836-1862]
  24. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1856-06-21
    Publication Info: [1836-1862]
  25. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1858-06-21
    Publication Info: [1836-1862]
  26. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1857-06-24
    Publication Info: [1836-1862]
  27. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1853-06-07
    Publication Info: [1836-1862]
  28. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1856-03-13
    Publication Info: [1836-1862]
  29. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1856-03-13
    Publication Info: [1836-1862]
  30. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1856-03-26
    Publication Info: [1836-1862]
  31. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1851-03-29
    Publication Info: [1836-1862]
  32. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1861-03-06
    Publication Info: [1836-1862]
  33. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1856-05-12
    Publication Info: [1836-1862]
  34. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1855-05-19
    Publication Info: [1836-1862]
  35. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1862-05-31
    Publication Info: [1836-1862]
  36. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1852-05-08
    Publication Info: [1836-1862]
  37. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1856-05-08
    Publication Info: [1836-1862]
  38. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1859-11-15
    Publication Info: [1836-1862]
  39. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1859-11-16
    Publication Info: [1836-1862]
  40. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1856-11-08
    Publication Info: [1836-1862]
  41. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1853-10-11
    Publication Info: [1836-1862]
  42. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1852-10-13
    Publication Info: [1836-1862]
  43. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1851-10-14
    Publication Info: [1836-1862]
  44. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1855-10-20
    Publication Info: [1836-1862]
  45. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1853-10-31
    Publication Info: [1836-1862]
  46. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1858-10-04
    Publication Info: [1836-1862]
  47. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1858-09-20
    Publication Info: [1836-1862]
  48. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1851-09-27
    Publication Info: [1836-1862]
  49. By: Darlington, William,
    Type: Correspondence
    In: William Darlington letters to Asa Gray
    Date: 1851-09-30
    Publication Info: [1836-1862]
  50. By: Streffleur, Valentin, Ritter von,
    Type: Article
    In: Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe
    Volume: 14
    Date: 1854
    Page Range: 315--329
    Publication Info: Wien, K.-K. Hof-und Staatsdruckerei in Commission bei Karl Gerold's Sohn,
  51. By: Sonndorfer, Rudolf
    Type: Article
    In: Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe
    Volume: 42
    Date: 1861
    Page Range: 756--758
    Publication Info: Wien, K.-K. Hof-und Staatsdruckerei in Commission bei Karl Gerold's Sohn,
  52. By: Gould, John
    Type: Article
    In: The birds of Great Britain
    Volume: 2
    Date: 1873
    Page Range: --
    Publication Info: London, Printed by Taylor and Francis, published by the author, 1873
  53. By: Ward, Lester F. (Lester Frank),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 1
    Date: 1880
    Page Range: 81--86
    Publication Info: Washington Biological Society of Washington
  54. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1861-04-11
    Publication Info: [1855-1881]
  55. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1867-04-15
    Publication Info: [1855-1881]
  56. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1866-04-16
    Publication Info: [1855-1881]
  57. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1855-04-17
    Publication Info: [1855-1881]
  58. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1864-04-19
    Publication Info: [1855-1881]
  59. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-04-21
    Publication Info: [1855-1881]
  60. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1855-04-25
    Publication Info: [1855-1881]
  61. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-04-25
    Publication Info: [1855-1881]
  62. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1863-04-25
    Publication Info: [1855-1881]
  63. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-04-03
    Publication Info: [1855-1881]
  64. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1858-04-04
    Publication Info: [1855-1881]
  65. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1858-08-11
    Publication Info: [1855-1881]
  66. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-08-11
    Publication Info: [1855-1881]
  67. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1865-08-15
    Publication Info: [1855-1881]
  68. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1868-08-15
    Publication Info: [1855-1881]
  69. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1878-08-15
    Publication Info: [1855-1881]
  70. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-08-21
    Publication Info: [1855-1881]
  71. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1855-08-24
    Publication Info: [1855-1881]
  72. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1856-08-24
    Publication Info: [1855-1881]
  73. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1863-08-04
    Publication Info: [1855-1881]
  74. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1866-08-04
    Publication Info: [1855-1881]
  75. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-08-09
    Publication Info: [1855-1881]
  76. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1876-08-09
    Publication Info: [1855-1881]
  77. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-12-11
    Publication Info: [1855-1881]
  78. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1861-12-11
    Publication Info: [1855-1881]
  79. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-12-14
    Publication Info: [1855-1881]
  80. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-12-14
    Publication Info: [1855-1881]
  81. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1879-12-16
    Publication Info: [1855-1881]
  82. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1876-12-20
    Publication Info: [1855-1881]
  83. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1859-12-21
    Publication Info: [1855-1881]
  84. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1859-12-24
    Publication Info: [1855-1881]
  85. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1874-12-25
    Publication Info: [1855-1881]
  86. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1876-12-04
    Publication Info: [1855-1881]
  87. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1870-12-07
    Publication Info: [1855-1881]
  88. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-02-01
    Publication Info: [1855-1881]
  89. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-02-16
    Publication Info: [1855-1881]
  90. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-02-16
    Publication Info: [1855-1881]
  91. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1861-02-17
    Publication Info: [1855-1881]
  92. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1878-02-17
    Publication Info: [1855-1881]
  93. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1880-02-17
    Publication Info: [1855-1881]
  94. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1880-02-17
    Publication Info: [1855-1881]
  95. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-02-18
    Publication Info: [1855-1881]
  96. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1877-02-18
    Publication Info: [1855-1881]
  97. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1858-02-21
    Publication Info: [1855-1881]
  98. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1863-02-23
    Publication Info: [1855-1881]
  99. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-02-24
    Publication Info: [1855-1881]
  100. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1864-02-25
    Publication Info: [1855-1881]
  101. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1861-02-26
    Publication Info: [1855-1881]
  102. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1871-02-05
    Publication Info: [1855-1881]
  103. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-02-08
    Publication Info: [1855-1881]
  104. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1857-01-01
    Publication Info: [1855-1881]
  105. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1872-01-15
    Publication Info: [1855-1881]
  106. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1863-01-19
    Publication Info: [1855-1881]
  107. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1880-01-19
    Publication Info: [1855-1881]
  108. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1863-01-02
    Publication Info: [1855-1881]
  109. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1880-01-20
    Publication Info: [1855-1881]
  110. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1878-01-21
    Publication Info: [1855-1881]
  111. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-01-22
    Publication Info: [1855-1881]
  112. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1861-01-23
    Publication Info: [1855-1881]
  113. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1877-01-23
    Publication Info: [1855-1881]
  114. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-01-28
    Publication Info: [1855-1881]
  115. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1876-01-28
    Publication Info: [1855-1881]
  116. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1881-01-29
    Publication Info: [1855-1881]
  117. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1877-01-03
    Publication Info: [1855-1881]
  118. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-01-07
    Publication Info: [1855-1881]
  119. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1873-01-08
    Publication Info: [1855-1881]
  120. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-07-01
    Publication Info: [1855-1881]
  121. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-07-14
    Publication Info: [1855-1881]
  122. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1871-07-16
    Publication Info: [1855-1881]
  123. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1857-07-20
    Publication Info: [1855-1881]
  124. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1857-07-20
    Publication Info: [1855-1881]
  125. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1855-07-21
    Publication Info: [1855-1881]
  126. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1861-07-21
    Publication Info: [1855-1881]
  127. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-07-22
    Publication Info: [1855-1881]
  128. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-07-23
    Publication Info: [1855-1881]
  129. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1862-07-28
    Publication Info: [1855-1881]
  130. By: Darwin, Charles,
    Type: Correspondence
    In: Charles Darwin letters to Asa Gray
    Date: 1860-07-03
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  132. By: Darwin, Charles,
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  133. By: Darwin, Charles,
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  135. By: Darwin, Charles,
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  137. By: Darwin, Charles,
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  138. By: Darwin, Charles,
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  139. By: Darwin, Charles,
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  140. By: Darwin, Charles,
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  141. By: Darwin, Charles,
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  146. By: Darwin, Charles,
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  148. By: Darwin, Charles,
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  149. By: Darwin, Charles,
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  212. By: Gould, John
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  232. By: Brancsik, Károly,
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  235. By: Davenport, Elizabeth Braxton,
    Type: Correspondence
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  237. By: Davenport, Geo. E. (George Edward),
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  239. By: Davenport, Geo. E. (George Edward),
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  241. By: Davenport, Geo. E. (George Edward),
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  242. By: Davenport, Geo. E. (George Edward),
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  243. By: Davenport, Geo. E. (George Edward),
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  244. By: Davenport, Geo. E. (George Edward),
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  245. By: Davenport, Geo. E. (George Edward),
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    Date: 1880-08-27
  246. By: Davenport, Geo. E. (George Edward),
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  247. By: Davenport, Geo. E. (George Edward),
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  248. By: Davenport, Geo. E. (George Edward),
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    Date: 1884-02-11
  249. By: Davenport, Geo. E. (George Edward),
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    Date: 1879-02-13
  250. By: Davenport, Geo. E. (George Edward),
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    In: George Edward Davenport correspondence
    Date: 1880-02-17
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