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  1. By: Gabrielson, Ira Noel, - Bigglestone, Harry C
    Type: Article
    In: The Auk
    Volume: 31
    Date: 1914
    Page Range: 420--421
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  2. By: Bigglestone, Harry C
    Type: Article
    In: The Wilson bulletin
    Volume: 25
    Series: new
    Issue: 2
    Date: 1913
    Page Range: 49--67
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-