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  1. By: Cox, Ulysses O
    Type: Article
    In: The Auk
    Volume: 12
    Date: 1895
    Page Range: 356--359
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  2. By: Cox, Ulysses O
    Type: Article
    In: The Auk
    Volume: 11
    Date: 1894
    Page Range: 161--162
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  3. By: Cox, Ulysses O
    Type: Article
    In: The Auk
    Volume: 19
    Date: 1902
    Page Range: 288--289
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-