Author
Abbott, Jacob Bates,
1
Able, Kenneth P.
1
Academy of Natural Sciences of Philadelphia
1
Ackerman, Jennifer, 1959-
1
Ackerman, Joshua Timothy,
1
Acworth, Bernard, 1885-
1
Adams, John Luther, 1953-
1
Adams, Mark Thomas
1
Adamus, Paul R.,
2
Agassiz Association. Wilson Ornithological Chapter
2
Ahlquist, Jon E.
1
Aimard, Pierre-Laurent, 1957-
1
Air Force Weapons Laboratory,
1
Ala, Schweizerische Gesellschaft für Vogelkunde und Vogelschutz
1
Alabama. Dept. of Conservation
1
Alabama. Game and Fish Division
1
Albertine,
1
Alderfer, Jonathan K.
4
Alerstam, Thomas
1
Alexander, David E., 1955-
2
Alexander, John D.,
2
Alexander, John,
1
Allen, Arthur A. 1885-1964
2
Allen, Elsa Guerdrum
1
Allen, Gary
1
Allen, Glover M. 1879-1942
1
Allen, J. A. 1838-1921
1
Allen, Jonathan, 1957-
1
Altman, Bob,
3
Altmann, Peter,
1
Amadon, Dean
2
Amaya-Espinel, Juan David,
1
Amaya-Villarreal, Ángela María,
1
American Bird Conservancy
4
American Birding Association
3
American Museum of Natural History
4
American Museum of Natural History. Division of Paleontology
1
American Ornithologists' Union
5
American Ornithologists' Union. Committee on Conservation
1
Anastasi, Peter A.,
1
Andersen, H. C. 1805-1875
1
Anderson, Bruce H.
2
Anderson, Ted R.
1
Anderton, John
1
Anderton, John T.,
1
Anderton, John,
1
Andrew, Malcolm
1
Andrews, David,
1
Angell, Madeline
1
Angell, Tony
2
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