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  1. By: Blumenbach, Johann Friedrich, - Banks, Joseph,
    Edition: Ed. 3. Praemissa est epistola ad ... Josephum Banks ...
    Publication info: Gottingae, Vandenhoek et Ruprecht, 1795
    Holding Institution: West Virginia University Libraries
    Subjects: Anatomy  Anthropology  Genetic Variation  Human anatomy  Variation  Variation (Biology)  
  2. By: Wollaston, Thomas Vernon,
    Publication info: London, J. Van Voorst, 1856
    Holding Institution: University of California Libraries
    Subjects: Insects  Variation (Biology)
  3. By: Wollaston, Thomas Vernon, - Singer, Charles, Dr.
    Edition: 1st ed.
    Publication info: London, J. Van Voorst, 1856
    Holding Institution: Multiple institutions
    Subjects: 1856  Imprints (John Van Voorst)  Insects  London (England)  Variation (Biology)  
  4. By: Wallace, Alfred Russel,
    Publication info: London, 1865
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Geographical distribution  Insects  Lepidoptera  Malaya  Malaysia  Papilionidae  Variation (Biology)  
    BHL Collections: Dazzling Diversity: The Insect World
  5. By: Faivre, Ernest,
    Publication info: Paris, G. Baillière, 1868
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: Variation (Biology)  
  6. By: Darwin, Charles, - Gray, Asa,
    Publication info: New York, Orange Judd & Co, 1868
    Holding Institution: NCSU Libraries
    Subjects: Domestic animals  Plants, Cultivated  Variation (Biology)  
  7. By: Bouverie-Pusey, S. E. B. (Sidney Edward Bouverie),
    Publication info: London, Kegan Paul, Trench, 1882
    Holding Institution: University of California Libraries
    Subjects: Evolution  Variation (Biology)  
  8. By: Darwin, Charles,
    Edition: 2d ed., rev. 4th thousand.
    Publication info: New York, D. Appleton and company, 1883
    Holding Institution: Wellesley College Library
    Subjects: Domestic animals  Plants, Cultivated  Variation (Biology)  
  9. By: Darwin, Charles,
    Edition: 2d ed., rev. 4th thousand ...
    Publication info: New York, D. Appleton, 1887
    Holding Institution: MBLWHOI Library
    Subjects: Domestic animals  Plants, Cultivated  Variation (Biology)  
  10. By: Darwin, Charles,
    Edition: 2nd ed., rev. 5th thousand ... --
    Publication info: London, J. Murray, 1885
    Holding Institution: University of Toronto - St. Michael’s College (John M. Kelly Library)
    Subjects: Domestic animals  Plants, Cultivated  Variation (Biology)  
  11. By: Ball, W. P. - Richard Clay (Firm) - Ermanno Loescher & Co.,
    Publication info: London, Macmillan and Co, 1890
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: Heredity  Variation (Biology)  
  12. By: Ball, W. P.
    Publication info: London, Macmillan, 1890
    Holding Institution: University of California Libraries
    Subjects: Heredity  Variation (Biology)  
  13. By: Varigny, Henry de,
    Publication info: London and New York, Macmillan and Co, 1892
    Holding Institution: University of California Libraries
    Subjects: Evolution  Variation (Biology)  
  14. By: Bateson, William,
    Publication info: London, Macmillan, 1894
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Variation (Biology)  
  15. By: Bateson, William, - Clay, C. J., - Pierpont, F. H.,
    Publication info: London, Macmillan, 1894
    Holding Institution: Multiple institutions
    Subjects: 19th century  Evolution  Genetics  Variation (Biology)  Variation (Genetics)  
  16. By: Bateson, William,
    Publication info: London, Macmillan and co, 1894
    Holding Institution: Wellesley College Library
    Subjects: Variation (Biology)  
  17. By: Darwin, Charles,
    Edition: 2d ed., rev. 4th thousand ...
    Publication info: New York, D. Appleton and Company, 1894
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Domestic animals  Plants, Cultivated  Variation (Biology)  
  18. By: Darwin, Charles,
    Publication info: New York, D. Appleton and company, 1896
    Holding Institution: Brigham Young University-Idaho
    Subjects: Domestic animals  Plants, Cultivated  Variation (Biology)  
  19. By: Darwin, Charles,
    Publication info: New York, Appleton, 1897
    Holding Institution: Boston College Libraries
    Subjects: Domestic animals  Plants, Cultivated  Variation (Biology)  
  20. By: Darwin, Charles,
    Edition: [2d ed.]
    Publication info: New York, D. Appleton, 1897
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Domestic animals  Plants, Cultivated  Variation (Biology)  
  21. By: Davenport, Charles Benedict,
    Edition: 1st ed. First thousand.
    Publication info: New York, J. Wiley & sons, 1899
    Holding Institution: MBLWHOI Library
    Subjects: Statistics  Variation (Biology)
  22. By: Davenport, Charles Benedict,
    Edition: 1st ed
    Publication info: New York, J. Wiley, 1899
    Holding Institution: University of California Libraries
    Subjects: Biology  Biometry  Mathematical models  Variation (Biology)  
  23. By: Weismann, August,
    Edition: 2d ed.
    Publication info: Chicago, Open Court Pub. Co, 1902
    Holding Institution: Cornell University Library
    Subjects: Heredity  Variation (Biology)
  24. By: Weismann, August,
    Edition: 2d ed.
    Publication info: Chicago, The Open court publishing company, 1902
    Holding Institution: MBLWHOI Library
    Subjects: Heredity  Variation (Biology)
  25. By: Vernon, Horace Middleton,
    Publication info: New York, H. Holt and company, 1902
    Holding Institution: MBLWHOI Library
    Subjects: Variation (Biology)
  26. By: Vernon, Horace Middleton,
    Publication info: New York, H. Holt, 1903
    Holding Institution: University of California Libraries
    Subjects: Variation (Biology)  
  27. By: Davenport, Charles Benedict,
    Edition: 2d, rev. ed. 1st thousand.
    Publication info: New York, J. Wiley, 1904
    Holding Institution: University of California Libraries
    Subjects: Statistics  Variation (Biology)  
  28. By: Darwin, Charles,
    Edition: Popular edition. --
    Publication info: London, J. Murray, 1905
    Holding Institution: ASC - York University Libraries
    Subjects: Domestic animals  Plants, Cultivated  Variation (Biology)  
  29. By: Tower, William Lawrence,
    Publication info: Washington, D.C, Carnegie Institution of Washington, 1906
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Colorado potato beetle  Leptinotarsa  Variation (Biology)  
  30. By: Lock, Robert Heath,
    Publication info: London, J. Murray, 1906
    Holding Institution: University of California Libraries
    Subjects: Evolution  Genetics  History  Variation (Biology)  
  31. By: Lock, Robert Heath,
    Publication info: London, J. Murray, 1906
    Holding Institution: University of Toronto - St. Michael’s College (John M. Kelly Library)
    Subjects: Evolution  Genetics  History  Variation (Biology)  
  32. By: Thorndike, Edward L. (Edward Lee),
    Publication info: New York, Science Press, [1907]
    Holding Institution: University of California Libraries
    Subjects: Variation (Biology)  
  33. By: Morgan, Thomas Hunt,
    Publication info: New York, Macmillan, 1907
    Holding Institution: Multiple institutions
    Subjects: Electronic books  Genetic Variation  Hybridization  Sex  Variation (Biology)  
  34. By: MacCurdy, Hansford. - Castle, William E. (William Ernest),
    Publication info: Washington, D.C, Carnegie Institution of Washington, 1907
    Holding Institution: University of California Libraries
    Subjects: Guinea pigs  Rats  Variation (Biology)  
  35. By: Pearl, Raymond, - Clawson, A. B.
    Publication info: Washington, D.C, Carnegie Institution of Washington, 1907
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Crayfish  Variation (Biology)
  36. By: Holmes, Samuel J. (Samuel Jackson),
    Publication info: New York, 1909
    Holding Institution: University of California Libraries
    Subjects: Variation (Biology)  
  37. By: Harris, James Arthur,
    Publication info: U.C. Berkeley, Statistical Lab, 1910-31
    Holding Institution: University of California Libraries
    Subjects: Biomathematics  Biometry  Variation (Biology)  
  38. By: Morgan, Thomas Hunt,
    Publication info: New York, The Macmillan company, 1910
    Holding Institution: MBLWHOI Library
    Subjects: Hybridization  Variation (Biology)
  39. By: Lock, Robert Heath,
    Edition: [3d ed.]
    Publication info: New York, E. P. Dutton, 1911
    Holding Institution: Cornell University Library
    Subjects: Evolution  Heredity  History  Variation (Biology)  
  40. By: Castle, William E. (William Ernest), - Coulter, John Merle, - Davenport, Charles Benedict, - East, Edward M. (Edward Murray), - Tower, William Lawrence,
    Publication info: Chicago, Ill, The University of Chicago Press, [1912]
    Holding Institution: University of California Libraries
    Subjects: Eugenics  Genetics  Heredity  Variation (Biology)  
  41. By: Vries, Hugo de,
    Publication info: Berlin, Gebrüder Borntraeger, 1913
    Holding Institution: MBLWHOI Library
    Subjects: Oenothera  Variation (Biology)
  42. By: Bateson, William,
    Publication info: New Haven, Yale University Press, 1913
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Evolution  Genetics  Variation (Biology)  
  43. By: Bateson, William,
    Publication info: New Haven, Yale University Press; [etc., etc.], 1913
    Holding Institution: MBLWHOI Library
    Subjects: Evolution  Variation (Biology)
  44. By: Bateson, William,
    Publication info: New Haven, Yale University Press, [1913]
    Holding Institution: NCSU Libraries
    Subjects: Evolution  Genetics  Variation (Biology)  
  45. By: Davenport, Charles Benedict,
    Edition: 3d rev. ed.
    Publication info: New York, J. Wiley, 1914
    Holding Institution: University of California Libraries
    Subjects: Biology  Biometry  Laboratory manuals  Variation (Biology)  
  46. By: Holmes, Samuel J. (Samuel Jackson),
    Publication info: New York, 1915
    Holding Institution: University of California Libraries
    Subjects: Variation (Biology)  
  47. By: Stout, A.B. (Arlow Burdette )
    Publication info: Washington, D.C, Carnegie Institution of Washington, 1915
    Holding Institution: NCSU Libraries
    Subjects: Coleus  Variation (Biology)  
  48. By: Stout, A.B. (Arlow Burdette )
    Publication info: Washington, D.C, Carnegie Institution of Washington, 1915
    Holding Institution: University of California Libraries
    Subjects: Lamiaceae  Variation (Biology)  
  49. By: Holmes, Samuel J. (Samuel Jackson),
    Publication info: Washington, 1915
    Holding Institution: University of California Libraries
    Subjects: Variation (Biology)  
  50. By: Bateson, William,
    Publication info: New Haven, Conn, Yale University Press, 1916[c1913]
    Holding Institution: University of California Libraries
    Subjects: Evolution  Variation (Biology)  
  51. By: Lock, Robert Heath,
    Edition: 4th ed.
    Publication info: London, J. Murray, 1916
    Holding Institution: Internet Archive
    Subjects: Evolution  Heredity  History  Variation (Biology)
  52. By: Babcock, E. B. (Ernest Brown), - Clausen, Roy Elwood,
    Edition: 1st ed.
    Publication info: New York, McGraw-Hill book company, inc.; [etc., etc.], 1918
    Holding Institution: Multiple institutions
    Subjects: Heredity  Livestock  Plant breeding  Variation (Biology)  
  53. By: Lock, Robert Heath,
    Edition: [5th ed.]
    Publication info: New York, E.P. Dutton, [1920]
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Evolution  Heredity  Variation (Biology)  
  54. By: Benjamin, Earl W. (Earl Whitney),
    Publication info: Ithaca, N.Y, 1920
    Holding Institution: Cornell University Library
    Subjects: Eggs  Heredity  Poultry  Variation (Biology)  
  55. By: Pelseneer, Paul,
    Publication info: Bruxelles, Hayez, 1920
    Holding Institution: Wellesley College Library
    Subjects: Heredity  Mollusks  Variation (Biology)  
  56. By: Pelseneer, Paul,
    Publication info: Bruxelles, M. Lamertin, M. Hayez, 1920
    Holding Institution: Multiple institutions
    Subjects: Heredity  Mollusks  Variation (Biology)
  57. By: Henrici, Arthur Trautwein,
    Publication info: Springfield, Ill, C.C. Thomas, 1928
    Holding Institution: MBLWHOI Library
    Subjects: Bacteria  growth & development  Variation (Biology)  Variation (Genetics)
  58. By: Jennings, H. S. (Herbert Spencer),
    Publication info: Princeton, Princeton University Press, 1935
    Holding Institution: MBLWHOI Library
    Subjects: Evolution  Variation (Biology)  
  59. By: Jennings, H. S. (Herbert Spencer),
    Publication info: New York, W.W. Norton & Company, Inc, [c1935]
    Holding Institution: MBLWHOI Library
    Subjects: Genetics  Heredity  Variation (Biology)
  60. By: Schmidt, Karl Patterson,
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Frogs  Variation (Biology)
  61. By: Willis, J. C. (John Christopher),
    Publication info: Cambridge [Eng.], The University press, 1940
    Holding Institution: MBLWHOI Library
    Subjects: Evolution  Natural selection  Variation (Biology)
  62. By: Lederberg, Joshua.
    Publication info: Madison, University of Wisconsin Press, 1951
    Holding Institution: MBLWHOI Library
    Subjects: Bacteria  Variation (Biology)  Viruses
  63. By: Fitzsimmons, John E., - University of Alberta. Department of Plant Science.
    Publication info: Edmonton, Alberta, University of Alberta, [1951]
    Holding Institution: University of Alberta Library
    Subjects: Barley  Chemical mutagenesis  Mutation (Biology)  Physiological effect  Variation (Biology)  X-rays  
  64. By: Howell, John Fincher,
    Publication info: 1960
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Biology  Biology thesis Ph. D  Cave animals  Cyprinidae  Dissertations, Academic  Fishes  Florida  UF  Variation (Biology)  
  65. By: Macy Conference on Genetics Princeton, N.J.) - Schull, William J. - Josiah Macy, Jr. Foundation.
    Publication info: Ann Arbor, University of Michigan Press, [1962]
    Holding Institution: MBLWHOI Library
    Subjects: Congresses  Mutation  Variation (Biology)
  66. By: Ampuero, Enrique,
    Publication info: 1965
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Botrytis  Dissertations, Academic  Fungi  Plant Pathology  Plant Pathology thesis Ph. D  UF  Variation (Biology)  
  67. By: I︠A︡blokov, A. V.‏ (Alekseĭ Vladimirovich)‏ - National Science Foundation (U.S.) - Smithsonian Institution
    Publication info: New Delhi, Published for the Smithsonian Institution and the National Science Foundation, Washington, D. C., by Amerind Pub. Co, 1974
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Anatomy  Mammals  Morphology (Animals)  Variation  Variation (Biology)
  68. By: Choate, Jerry R. - Williams, Stephen L.,
    Publication info: [Lubbock], Museum, Texas Tech University, 1978
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Great Plains  Mammals  Prairie vole  Variation (Biology)  
    BHL Collections: Expanding Access to Biodiversity Literature
  69. By: Rehfeldt, G. E. - Intermountain Research Station (Ogden, Utah)
    Publication info: [Ogden, Utah], U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1987
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Adaptation  Evolution  Lodgepole pine  Northwestern States  Variation (Biology)  
  70. By: Rozen, Jerome G. (Jerome George), - Ascher, John S. - Kamel, Soliman M. - Mohamed, Kariman M.
    Publication info: New York, NY, American Museum of Natural History, [2016]
    Holding Institution: American Museum of Natural History Library
    Subjects: Bees  Classification  Insects  Larvae  Megachile  Variation  Variation (Biology)