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  1. By: Roberts, Thomas S. (Thomas Sadler),
    Publication info: St. Paul, Minn, Pioneer Press Co, 1907
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Roberts, Thomas S. (Thomas Sadler),
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  3. By: Roberts, Thomas S. (Thomas Sadler),
    Publication info: Minneapolis, Minn, [c1919]
    Holding Institution: Multiple institutions
  4. By: Roberts, Thomas S. (Thomas Sadler),
    Publication info: Minneapolis, Minn, [s.n.], 1919
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  5. By: Roberts, Thomas S. (Thomas Sadler),
    Publication info: Minneapolis, Minn, 1916
    Holding Institution: Smithsonian Libraries and Archives
  6. By: Roberts, Thomas S. (Thomas Sadler),
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  1. By: Roberts, Thomas S. (Thomas Sadler),
    Type: Article
    In: The Auk
    Volume: 17
    Date: 1900
    Page Range: 272--283
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  2. By: Roberts, Thomas S. (Thomas Sadler),
    Type: Article
    In: The Auk
    Volume: 24
    Date: 1907
    Page Range: 369--377
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  3. By: Roberts, Thomas S. (Thomas Sadler),
    Type: Article
    In: The Auk
    Volume: 16
    Date: 1899
    Page Range: 236--304
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  4. By: Roberts, Thomas S. (Thomas Sadler),
    Type: Article
    In: The Auk
    Volume: 36
    Date: 1919
    Page Range: 598--598
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  5. By: Roberts, Thomas S. (Thomas Sadler),
    Type: Article
    In: The Auk
    Volume: 26
    Date: 1909
    Page Range: 371--389
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  6. By: Roberts, Thomas S. (Thomas Sadler),
    Type: Article
    In: The Auk
    Volume: 24
    Date: 1907
    Page Range: 449--450
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-