Author
U.S. Fish and Wildlife Service
387
United States Bureau of Commercial Fisheries
143
Roosevelt, Theodore, 1858-1919
134
United States Bureau of Sport Fisheries and Wildlife
105
U.S. Army Engineer Waterways Experiment Station Coastal Ecology Group
95
National Wetlands Research Center (U.S.)
62
United States Bureau of Biological Survey
60
Fairman Rogers Collection (University of Pennsylvania)
56
Wildlife Society
53
Herbert, Henry William, 1807-1858
51
United States Congress. House. Select Committee on Conservation of Wildlife Resources
45
United States Bureau of the Census
41
U.S. Fish and Wildlife Service Region 7
40
National Coastal Ecosystems Team (U.S.)
39
Markham, Gervase, 1568?-1637
37
Canadian Wildlife Service
35
Grinnell, George Bird, 1849-1938
35
Reeve Collection (Athenaeum of Philadelphia)
35
United States Department of Agriculture
34
U.S. Fish and Wildlife Service Division of Federal Aid
33
Frederick II, Holy Roman Emperor, 1194-1250
30
Tilander, Gunnar, 1894-1973
30
Wisconsin Department of Natural Resources
28
Corbett, Jim, 1875-1955
27
Wildlife Management Institute
27
Hawker, Peter, 1786-1853
25
St. Martin's Press/Tor Archive (Brown University)
25
Cox, Nicholas, active 1673-1721
24
Gillmore, Parker
23
ebrary, Inc
23
Lindner, Kurt, 1906-1987
22
Delibes, Miguel
21
Hunt, Lynn Bogue
21
Jefferies, Richard, 1848-1887
21
Gordon-Cumming, Roualeyn, 1820-1866
20
White, Stewart Edward, 1873-1946
20
Boone and Crockett Club
19
Pennsylvania Game Commission
19
Selous, Frederick Courteney, 1851-1917
19
Cuming, E. D (Edward William Dirom), 1862-1941
18
Nimrod, 1778-1843
18
Pauley, Gilbert B
18
United States Bureau of Land Management
18
United States General Accounting Office
18
Chālī ʻĪamkrasin
17
De Gruyter
17
Gotham Book Mart Collection (University of Pennsylvania)
17
Lindner, Kurt, 1906-
17
Millais, John Guille, 1865-1931
17
United States Department of the Interior. Alaska Planning Group
17
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