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  1. By: American Ornithologists' Union.
    Publication info: Washington, D.C, American Ornithologists' Union, etc, 1884-
    Holding Institution: Multiple institutions
  2. By: American Ornithologists' Union.
    Publication info: [Washington, D.C.], The Union, [1915]
    Holding Institution: Smithsonian Libraries and Archives
  3. By: Mee, Allan - Hall, L. S. (Linnea Suzanne) - Nuttall Ornithological Club. - American Ornithologists' Union.
    Publication info: Cambridge, Mass, Nuttall Ornithological Club, 2007
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  4. By: American Ornithologists' Union.
    Edition: 5th ed.
    Publication info: [Ithaca, N.Y.], 1957
    Holding Institution: American Museum of Natural History Library
  5. By: American Ornithologists' Union.
    Edition: 3d ed. (rev.) ...
    Publication info: New York American ornithologists' union 1910
    Holding Institution: Multiple institutions
  6. By: American Ornithologists' Union.
    Edition: 2d and rev. ed.
    Publication info: New York, American Ornithologists' Union, 1895
    Holding Institution: Multiple institutions
  7. By: American Ornithologists' Union.
    Edition: Abridged ed., rev.
    Publication info: [s.l.], The Union, 1889
    Holding Institution: Multiple institutions
  8. By: American Ornithologists' Union.
    Edition: 4th ed. / constituting the "Systema avium" for North America north of Mexico ...
    Publication info: Lancaster, Pa, The Union, 1931
    Holding Institution: MBLWHOI Library
  9. By: American Ornithologists' Union.
    Edition: 6th ed.
    Publication info: Lawrence, Kan, American Ornithologists' Union, 1983
    Holding Institution: American Museum of Natural History Library
  10. By: Bildstein, Keith L. (Keith Louis), - Nuttall Ornithological Club. - American Ornithologists' Union.
    Publication info: Cambridge, Mass, Nuttall Ornithological Club, 2008
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  11. By: American Ornithologists' Union.
    Publication info: New York, The Union, 1889-1920
    Holding Institution: Smithsonian Libraries and Archives
  12. By: Mathews, Gregory M - American Ornithologists' Union. - British Ornithologists' Union
    Publication info: London, British Ornithologists' Union, 1927
    Holding Institution: Museums Victoria
    BHL Collections: BHL Australia | Museums Victoria
  13. By: American Ornithologists' Union. - Miller, Waldron DeWitt,
    Publication info: 1924
    Holding Institution: American Museum of Natural History Library
  14. By: Brewster, William, - Abbot, Charles Conrad. - Abbot, Henry W. - Adams, Charles Francis, - Adams, E. F. - Adams, William C - Academy of Natural Sciences of Philadelphia. - American Ornithologists' Union.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    BHL Collections: William Brewster Papers
  1. By: American Ornithologists' Union.
    Type: Chapter
    In: Check-list of North American Birds
    Date: 1998
    Page Range: 685-829
    Publication Info: Washington, D.C.: American Ornithologists' Union
  2. By: American Ornithologists' Union.
    Type: Article
    In: The Auk
    Volume: 117
    Issue: 3
    Date: 2000
    Page Range: 847-858
    Publication Info: Washington, D.C.: American Ornithologists' Union
  3. By: American Ornithologists' Union.
    Type: Chapter
    In: Check-list of North American Birds
    Date: 1998
    Page Range: iii-xvi
    Publication Info: Washington, D.C.: American Ornithologists' Union
  4. By: American Ornithologists' Union.
    Type: Chapter
    In: Check-list of North American Birds
    Date: 1998
    Page Range: 112-216
    Publication Info: Washington, D.C.: American Ornithologists' Union
  5. By: American Ornithologists' Union.
    Type: Chapter
    In: Check-list of North American Birds
    Date: 1998
    Page Range: 416-522
    Publication Info: Washington, D.C.: American Ornithologists' Union
  6. By: American Ornithologists' Union.
    Type: Chapter
    In: Check-list of North American Birds
    Date: 1998
    Page Range: 217-313
    Publication Info: Washington, D.C.: American Ornithologists' Union
  7. By: American Ornithologists' Union.
    Type: Chapter
    In: Check-list of North American Birds
    Date: 1998
    Page Range: 523-684
    Publication Info: Washington, D.C.: American Ornithologists' Union
  8. By: American Ornithologists' Union.
    Type: Chapter
    In: Check-list of North American Birds
    Date: 1998
    Page Range: xvii-111
    Publication Info: Washington, D.C.: American Ornithologists' Union
  9. By: American Ornithologists' Union.
    Type: Chapter
    In: Check-list of North American Birds
    Date: 1998
    Page Range: 314-415
    Publication Info: Washington, D.C.: American Ornithologists' Union