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  1. By: Gronberger, Sven Magnus
    Type: Article
    In: The Auk
    Volume: 30
    Date: 1913
    Page Range: 438--439
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  2. By: Gronberger, Sven Magnus
    Type: Article
    In: The Auk
    Volume: 28
    Date: 1911
    Page Range: 300--304
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  3. By: Kalm, Pehr, - Gronberger, Sven Magnus
    Type: Article
    In: The Auk
    Volume: 28
    Date: 1911
    Page Range: 53--66
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  4. By: Gronberger, Sven Magnus
    Type: Article
    In: The Auk
    Volume: 29
    Date: 1912
    Page Range: 109--110
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-