• 4 Steenbock Library
• 3 College Library
• 2 AOSS Library
• 2 MERIT Library
• 1 Limnology Library
• 1 Memorial Library
• 1 Verona Shelving Facility
• 1 Wisconsin Historical Society Library

• 60 Videos, Slides, Films

• 12 Water
• 10 Environmental aspects
• 10 Water-supply
• 8 Pollution
• 4 Environmental protection
• 4 Fishes
• 4 Water utilities
• 3 Climatic changes
• 3 Ecology
• 3 Economic aspects
• 3 Environmental conditions
• 3 Environmental policy
• 3 Global warming
• 3 Government policy
• 3 History
• 3 Human ecology
• 3 Marine animals
• 3 Ocean
• 3 Shipwrecks
• 3 Social aspects
• 3 Water resources development
• 2 Animal welfare
• 2 Behavior
• 2 Control
• 2 Dams

• 6 Landmark Media, Inc
• 6 Nederlands Omroepproductie Bedrijf
• 6 Swanson, Peter, 1956-
• 6 Swynk (Firm)
• 3 National Geographic Channel (Television station : Washington, D.C.)
• 3 National Geographic Television & Film
• 3 New Video Group
• 2 Cluzaud, Jacques
• 2 France 2 cinéma (Firm)
• 2 France 3 cinéma (Firm)
• 2 Galatée Films
• 2 Gore, Al, 1948-
• 2 Loew, Patty
• 2 Louisiana Sea Grant College Program
• 2 National Geographic Society (U.S.)
• 2 PBS Home Video
• 2 Paramount Pictures Corporation
• 2 Participant Media
• 2 Perrin, Jacques, 1941-2022
• 2 Public Broadcasting Service (U.S.)
• 2 Skoll, Jeff
• 2 University of Wisconsin Sea Grant Institute
• 2 Versluys, Marion
• 2 Vivendi Entertainment (Firm)
• 2 Warner Home Video (Firm)

• 60 English
• 5 French
• 5 Spanish
• 1 North American Indian (Other)
• 1 Slovak
• 1 Undetermined

• 10 Great Lakes (North America)
• 6 United States
• 6 Wisconsin
• 4 Great Lakes
• 2 Antarctica
• 2 Great Lakes Region (North America)
• 2 Louisiana
• 2 Michigan
• 2 Michigan, Lake
• 2 Pacific Ocean
• 1 Alaska
• 1 Atlantic Ocean
• 1 Caribbean Sea
• 1 Chesapeake Bay
• 1 Chesapeake Bay (Md. and Va.)
• 1 Cocos Island
• 1 Costa Rica
• 1 Dane County
• 1 Earth (Planet)
• 1 Grands Lacs (Amérique du Nord)
• 1 Highland Park
• 1 Huron, Lake (Mich. and Ont.)
• 1 Illinois
• 1 Japan
• 1 Keshena

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