Author
NetLibrary, Inc
22
JSTOR (Organization)
21
National Audubon Society
18
Bent, Arthur Cleveland, 1866-1954
16
Peterson, Roger Tory, 1908-1996
14
U.S. Fish and Wildlife Service
12
Audubon, John James, 1785-1851
10
Latham, Simon
9
United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation,
9
Messiaen, Olivier, 1908-1992
8
Sibley, David, 1961-
7
Chapman, Frank M. 1864-1945
6
Feduccia, Alan
6
Gardner, Dana
6
Goldsmith, Oliver, 1730?-1774
6
Great Lakes Restoration Initiative (U.S.)
6
Hume, Rob,
6
National Wildlife Federation
6
Pettingill, Olin Sewall, 1907-
6
Still, Rob,
6
Swash, Andy,
6
American Ornithologists' Union
5
Harrop, Hugh,
5
Johnsgard, Paul A.
5
Peterson, Roger Tory, 1908-1996,
5
Skutch, Alexander Frank, 1904-
5
Sturkie, Paul D.
5
Wells, Jeffrey V. 1964-
5
Alderfer, Jonathan K.
4
American Bird Conservancy
4
American Museum of Natural History
4
Baird, Spencer Fullerton, 1823-1887
4
Coues, Elliott, 1842-1899
4
Fuertes, Louis Agassiz, 1874-1927,
4
George, Jean Craighead, 1919-2012
4
Grant, Peter R., 1936-
4
Halle, Louis Joseph, 1910-
4
Hansell, Michael H. 1940-
4
Koenig, Walter D., 1950-
4
Lack, David Lambert
4
Lionni, Leo, 1910-1999
4
Newton, Ian
4
Olson, Storrs L.
4
Rappole, John H.
4
Ray, John, 1627-1705
4
Ridgely, Robert S., 1946-
4
Sprunt, Alexander, 1898-1973
4
Sutton, George Miksch, 1898-1982
4
Tipling, David,
4
Wilson, Alexander, 1766-1813
4
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