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  1. By: Cooke, Wells W. (Wells Woodbridge), - Widmann, Otto
    Publication info: [Chicago?], The American Field, 1883
    Holding Institution: Multiple institutions
  2. By: Widmann, Otto
    Publication info: St. Louis, Academy of Science of St. Louis, 1907
    Holding Institution: Cornell University Library
  3. By: Widmann, Otto
    Publication info: St. Louis?, Academy of Sciences of St. Louis?, 1907?
    Holding Institution: Smithsonian Libraries and Archives
  4. By: Widmann, Otto
    Publication info: St. Louis, Academy of Science of St. Louis, 1907
    Holding Institution: University of California Libraries
  1. By: Widmann, Otto
    Type: Article
    In: The Wilson bulletin
    Volume: 39
    Issue: 3
    Date: 1927
    Page Range: 146--155
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 13
    Date: 1896
    Page Range: 264--264
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  3. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 12
    Date: 1895
    Page Range: 350--355
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  4. By: Widmann, Otto
    Type: Article
    In: The Wilson bulletin
    Volume: 40
    Issue: 3
    Date: 1928
    Page Range: 151--154
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  5. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 15
    Date: 1898
    Page Range: 22--27
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  6. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 12
    Date: 1895
    Page Range: 219--225
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  7. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 28
    Date: 1911
    Page Range: 304--319
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  8. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 19
    Date: 1902
    Page Range: 232--237
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  9. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 2
    Date: 1885
    Page Range: 381--382
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  10. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 13
    Date: 1896
    Page Range: 216--222
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  11. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 26
    Date: 1909
    Page Range: 304--304
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  12. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 23
    Date: 1906
    Page Range: 109--110
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  13. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 14
    Date: 1897
    Page Range: 305--310
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  14. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 12
    Date: 1895
    Page Range: 112--117
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  15. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 18
    Date: 1901
    Page Range: 150--157
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  16. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 26
    Date: 1909
    Page Range: 322--322
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  17. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 12
    Date: 1895
    Page Range: 1--11
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  18. By: Widmann, Otto
    Type: Article
    In: The Auk
    Volume: 21
    Date: 1904
    Page Range: 66--73
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-