Author
Commission for Environmental Cooperation (Montréal, Québec)
29
Commission for Environmental Cooperation (Montréal, Québec). Secretariat
25
Smithsonian Institution
19
Geological Survey (U.S.)
18
U.S. Fish and Wildlife Service
13
Nonindigenous Aquatic Species Program (U.S.)
6
Kenk, Roman, 1898-1988
5
National Renewable Energy Laboratory (U.S.)
5
United States. Agricultural Research Service
4
Command and Control Research Program (U.S.)
3
Exeter Associates
3
Forest Products Laboratory (U.S.)
3
Porter, Kevin
3
U.S. Fish and Wildlife Service. Division of Migratory Bird Management
3
Canada. Natural Resources Canada
2
Davis, Donald R.
2
Ebooks Corporation
2
Flint, Oliver S.
2
Geological Survey of Canada
2
Hobbs, Horton H. 1914-1994
2
Hurd, Paul D. 1921-1982
2
Larsen, Timothy J.
2
Linsley, E. Gorton 1910-2000
2
Mexico. Comisión Nacional para el Conocimiento y Uso de la Biodiversidad
2
Rogers, Jennifer
2
Ruth, Janet M.
2
U.S. Fish and Wildlife Service. Office of Migratory Bird Management
2
United States. Bureau of Transportation Statistics
2
United States. Bureau of the Census
2
United States. Department of Agriculture. Economic Research Service
2
United States. Forest Service
2
United States. National Marine Fisheries Service
2
ARTE France,
1
Abbey, Robert F.
1
Adelaar, Martin
1
Allen, George T.
1
American Oat Workers Conference
1
Andrews, Chyrl
1
Arctic Goose Habitat Working Group
1
Baldwin, Andrew H.
1
Bankey, Viki
1
Barr, Thomas C., Jr., 1931-2011
1
Batt, Bruce D. J.
1
Batzer, Darold P.
1
Benz, Harley M.
1
Biggins, Rosemary
1
Bradley, Bruce A., 1948-
1
CONAFOR (Commission)
1
Caithamer, David F.
1
California. Division of Mines and Geology
1
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