• 1 AOSS Library
• 1 Memorial Library
• 1 Steenbock Library
• 1 Verona Shelving Facility
• 1 WHS State Archives Preservation Facility
• 1 Wisconsin Historical Society Library
• 1 Wisconsin's Water Library

• 5 DVDs

• 5 Environmentalists
• 4 Leopold, Aldo, 1886-1948
• 4 Naturalists
• 4 Nature conservation
• 3 Brower, David, 1912-2000
• 3 Ecologists
• 3 Environmental aspects
• 3 Environmentalism
• 2 History
• 1 Alternative schools
• 1 Brown, Peter Jay
• 1 Carson, Rachel, 1907-1964
• 1 Chimpanzees
• 1 Economic aspects
• 1 Ecoterrorism
• 1 Education
• 1 Effect of human beings on
• 1 Environmental conditions
• 1 Environmental ethics
• 1 Environmental protection
• 1 Forest conservation
• 1 Forest people
• 1 Friends of the Earth
• 1 Goodall, Jane, 1934-

• 6 Bullfrog Films
• 3 Aldo Leopold Foundation
• 3 Center for Humans and Nature
• 3 Coyote, Peter
• 3 De Graaf, John
• 3 Dunsky, Ann
• 3 Dunsky, Steve
• 3 Meine, Curt
• 3 Steinke, David, 1953-
• 3 United States. Forest Service
• 2 Brower, David, 1912-2000
• 2 Huffaker, Buddy
• 2 KCTS (Television station : Seattle, Wash.)
• 2 Most, Stephen
• 2 Public Broadcasting Service (U.S.)
• 1 42nd Parallel Films
• 1 Adair, Tom, 1913-1988
• 1 Allan, Catherine
• 1 American Experience Films
• 1 Australian Film Commission
• 1 Berman, Phillip L
• 1 Big Sky Productions
• 1 Bradbury, David
• 1 Breaking Glass Pictures (Firm)
• 1 Brown, Peter Jay

• 14 English
• 1 Indonesian

• 9 United States
• 2 Wisconsin
• 1 Australia
• 1 England
• 1 Gombe National Park
• 1 Indonesia
• 1 Jambi
• 1 Moab
• 1 New South Wales
• 1 Nullum State Forest (N.S.W.)
• 1 Sumatra
• 1 Sumatra (Indonesia)
• 1 Tanzania
• 1 Utah
• 1 West (U.S.)

• 10 Biography
• 10 Documentary films
• 9 Nonfiction films
• 6 Biographical films
• 4 Environmental films
• 4 Feature films
• 2 Documentary
• 2 Documentary television programs
• 2 Educational films
• 2 Video recordings for the hearing impaired
• 1 Biographical television programs
• 1 Film adaptations
• 1 Internet videos
• 1 Nonfiction television programs
• 1 Science films
• 1 Short
• 1 Television special
• 1 Video recordings

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