• 17 Videos, Slides, Films

• 7 DVDs

• 4 National parks and reserves
• 3 Description and travel
• 3 Geology
• 3 Ranchers
• 2 American bison
• 2 Animal rights
• 2 Animal welfare
• 2 Brucellosis in animals
• 2 Citizen participation
• 2 Conservation of natural resources
• 2 Earth sciences
• 2 Environmental protection
• 2 Forest fires
• 2 Indians of North America
• 2 Montana. Department of Livestock
• 2 Moral and ethical aspects
• 2 Public lands
• 2 Social life and customs
• 2 Wilderness areas
• 2 Wildlife conservation
• 1 Brucellosis
• 1 Caves
• 1 Ecology
• 1 Environmental sciences
• 1 Environmentalism

• 3 Bullfrog Films
• 3 Independent Television Service
• 2 Buffalo Jump Pictures, Inc
• 2 Dallas County Community College District
• 2 Farrow, Nick
• 2 Roberts, Paul
• 2 Sweetspot Pictures
• 2 Testa, Matthew
• 2 Zarvos, Marcelo
• 1 ABC/Kane Productions International
• 1 Alexander Street Press
• 1 Arkenstone, David
• 1 Burkhart, Dennis
• 1 Campbell, William, 1949-
• 1 Centre Communications
• 1 Colish, Bernadine
• 1 De Lancey, John, approximately 1741-1829
• 1 Finley-Holiday Film Corporation
• 1 Grabowska, John
• 1 Gregory, Alex
• 1 Hartrampf, Roerig
• 1 Hogan, Jeff
• 1 Homefire Productions
• 1 James, Kenny
• 1 Keasley, Alphonse

• 17 English

• 3 Montana
• 2 Sioux Nation
• 2 United States
• 1 Colorado Plateau
• 1 Grand Canyon National Park (Ariz.)
• 1 Krakatoa (Indonesia)
• 1 Old Faithful Geyser (Wyo.)
• 1 Toba Lake (Indonesia)
• 1 Wyoming
• 1 Yosemite National Park (Calif.)

• 8 Nonfiction films
• 2 Environmental films
• 2 Nature films
• 2 Short films
• 2 Travelogues (Motion pictures)
• 2 Video recordings for the hearing impaired
• 2 Wildlife films
• 1 DVD-Video discs
• 1 Feature films
• 1 Internet videos
• 1 Science films

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