• 1 Wisconsin Historical Society Library

• 5 Agriculture
• 3 Environmental policy
• 2 Biology
• 2 Natural Environment Research Council (Great Britain)
• 1 Animal culture
• 1 Economic aspects
• 1 Home economics
• 1 Marine biology
• 1 United States. Agricultural Research Service. Natural Resources Research Center

• 3 Natural Environment Research Council (Great Britain)
• 2 Utah Agricultural Experiment Station
• 1 Faculdade de Agronomia e Zootecnia "Manoel Carlos Gonçalves"
• 1 Florida. Marine Research Laboratory
• 1 Institute of Oceanographic Sciences (Great Britain)
• 1 Natural Environment Research Council (Great Britain). Policy and Communications Division
• 1 Nehls, Susan
• 1 United States. Agricultural Research Service. Natural Resources Research Center
• 1 University of California (System). Division of Agriculture and Natural Resources
• 1 University of Connecticut. College of Agriculture and Natural Resources
• 1 Wisconsin. Department of Natural Resources
• 1 Wisconsin. Department of Natural Resources. Bureau of Research

• 11 English
• 1 Portuguese

• 3 Great Britain
• 2 United States
• 2 Utah
• 2 Wisconsin
• 1 Brazil
• 1 California
• 1 Connecticut
• 1 Florida

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