• 3 Steenbock Library
• 1 Law Library
• 1 Memorial Library

• 1 Microforms

• 2 Economic conditions
• 2 Environmental aspects
• 2 Fishery resources
• 2 Lake ecology
• 2 Natural resources
• 2 Pollution
• 2 Water
• 1 Aquatic sciences
• 1 Environmental conditions
• 1 Environmental protection
• 1 Research
• 1 Universities and colleges
• 1 University of Wisconsin--Madison
• 1 Water quality
• 1 Water-supply

• 4 University of Wisconsin Sea Grant Institute
• 1 University of Wisconsin--Madison
• 1 University of Wisconsin--Madison. Aquatic Sciences Center
• 1 University of Wisconsin--Madison. Water Resources Institute

• 5 English

• 5 Wisconsin
• 3 Great Lakes (North America)

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