Author
American Ornithologists' Union
328 results
Cornell University. Laboratory of Ornithology
314 results
Academy of Natural Sciences of Philadelphia
302 results
Lowther, Peter E.
22 results
SpringerLink (Online service)
20 results
Audubon, John James, 1785-1851
16 results
Merriam, C. Hart (Clinton Hart), 1855-1942
12 results
Wilson, Alexander, 1766-1813
11 results
British Trust for Ornithology
10 results
Cooper Ornithological Society
10 results
Coues, Elliott, 1842-1899
9 results
Grinnell, Joseph, 1877-1939
9 results
Kroodsma, Donald E.
8 results
Johnston, Richard F.
7 results
Mowbray, Thomas B. (Thomas Bruce), 1940-
7 results
Nolan, Val
7 results
United States. Department of Agriculture
7 results
British Ornithologists' Union
6 results
Geological Survey (U.S.)
6 results
Great Lakes Restoration Initiative (U.S.)
6 results
Jackson, Jerome A.
6 results
National Audubon Society
6 results
Smithsonian Institution
6 results
Gill, Frank B.
5 results
Jardine, William, 1800-1874
5 results
Parker, Charlie, 1920-1955
5 results
Pettingill, Olin Sewall, 1907-2001
5 results
Scandinavian Ornithologists' Union
5 results
Selby, Prideaux John, 1788-1867
5 results
Texas Ornithological Society
5 results
Vigors, Nicholas Alyward, 1785-1840
5 results
Wilson Ornithological Society
5 results
Wisconsin Society for Ornithology
5 results
ebrary, Inc
5 results
Agassiz Association. Wilson Ornithological Chapter
4 results
Ainley, David G.
4 results
Birkhead, Tim
4 results
Bonaparte, Charles Lucian, 1803-1857
4 results
Cooper Ornithological Club
4 results
Davis, William E., Jr., 1936-
4 results
Dorset, Catherine Ann Turner, 1750?-1817?
4 results
EBSCOhost
4 results
Fantasy Records
4 results
Gill, Robert E.
4 results
Guzy, Michael J. (Michael Joseph)
4 results
Jackson, Christine E. (Christine Elisabeth), 1936-
4 results
Johnson, R. Roy (Raymond Roy), 1932-
4 results
McCaffery, Brian J.
4 results
Northeastern Bird-Banding Association (U.S.)
4 results
Nuttall Ornithological Club
4 results
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