• 1 Steenbock Library

• 33 Videos, Slides, Films

• 3 DVDs

• 19 Natural history
• 17 Physical geography
• 11 Animals
• 8 Ecology
• 5 Earth sciences
• 4 Climatic changes
• 4 Effect of human beings on
• 4 Human ecology
• 4 Landscapes
• 4 Life
• 4 Nature
• 4 Ocean
• 3 Artificial satellites
• 3 Biotic communities
• 3 Desert ecology
• 3 Habitat (Ecology)
• 3 Marine ecology
• 3 Orbit
• 3 Orbits
• 2 Aquatic ecology
• 2 Atmosphere
• 2 Color
• 2 Deserts
• 2 Forest ecology
• 2 Forests and forestry

• 17 Discovery Channel (Firm)
• 13 Attenborough, David, 1926-
• 13 Fothergill, Alastair
• 12 Nihon Hōsō Kyōkai
• 11 BBC Worldwide Americas, Inc.
• 6 National Geographic Channel (Television station : Washington, D.C.)
• 6 Renouf, Jonathan
• 5 BBC Worldwide Ltd.
• 5 Lawrie, Ben
• 5 Stewart, Iain S.
• 4 BBC Studios
• 4 British Broadcasting Corporation. Natural History Unit
• 4 Cordey, Huw
• 4 Johnson, Corey, 1961-
• 4 Open University
• 4 Public Broadcasting Service (U.S.)
• 4 Tencent Penguin Pictures
• 3 Berlowitz, Vanessa
• 3 Brownlow, Mark
• 3 Linfield, Mark
• 3 Warner Home Video (Firm)
• 2 BBC Worldwide Americas, Inc
• 2 Byatt, Andrew
• 2 Gillings, Annabel

• 33 English

• 2 Polar regions
• 2 Tropics
• 1 Alaska
• 1 Arctic regions
• 1 Botswana
• 1 British Columbia
• 1 Cold regions
• 1 Eastern Hemisphere
• 1 Everest, Mount (China and Nepal)
• 1 Great Plains
• 1 Great Rift Valley
• 1 Himalaya Mountains
• 1 Kalahari Desert
• 1 Northern Hemisphere
• 1 Okavango River Delta
• 1 Serengeti Plain
• 1 Solar system
• 1 South Africa
• 1 Southern Hemisphere
• 1 Tanzania
• 1 Western Hemisphere

• 31 Documentary television programs
• 22 Science television programs
• 13 Nature television programs
• 5 Nonfiction television programs
• 3 Video recordings for the hearing impaired
• 2 Television mini-series
• 1 DVD-Video discs
• 1 Documentary
• 1 Documentary films
• 1 Educational television programs
• 1 Environmental television programs
• 1 Internet videos
• 1 Observations
• 1 Television programs
• 1 Television special
• 1 Wildlife television programs

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