• 1 Steenbock Library

• 135 Videos, Slides, Films

• 14 DVDs

• 66 Animals
• 35 Ecology
• 23 Description and travel
• 22 Physical geography
• 20 Earth sciences
• 16 Habitat (Ecology)
• 15 Biodiversity
• 15 Biotic communities
• 15 Geology
• 10 Climatic changes
• 8 Marine animals
• 7 History
• 7 Human ecology
• 7 Indians of North America
• 7 Mountains
• 7 Nature
• 6 Animal ecology
• 6 Effect of human beings on
• 6 Forests and forestry
• 6 Motion picture authorship
• 6 Outdoor life
• 6 Outdoor recreation
• 5 Coasts
• 5 Desert ecology

• 53 British Broadcasting Corporation
• 52 Attenborough, David, 1926-
• 52 BBC Worldwide Ltd.
• 32 Discovery Channel (Firm)
• 26 British Broadcasting Corporation. Natural History Unit
• 26 France télévision
• 25 Public Broadcasting Service (U.S.)
• 21 BBC Worldwide Americas, Inc.
• 19 BBC America
• 19 Zweites Deutsches Fernsehen
• 13 Fothergill, Alastair
• 11 Nihon Hōsō Kyōkai
• 11 Tencent Penguin Pictures
• 11 Tencent Pictures
• 10 BBC Earth (Firm)
• 10 Cordey, Huw
• 9 Compagnie des taxi-brousse
• 9 Idéacom inc.
• 9 MagellanTV
• 8 WNET (Television station : New York, N.Y.)
• 7 Cumberbatch, Benedict, 1976-
• 7 Zhong yang dian shi tai (Beijing, China). Ji lu pin dao
• 6 BBC Studios. Natural History Unit
• 6 Berlowitz, Vanessa
• 6 Casey, David (Television director)

• 135 English
• 1 French

• 34 Earth (Planet)
• 14 North America
• 14 Polar regions
• 13 Arctic regions
• 12 Antarctica
• 8 Africa
• 7 Islands of the Pacific
• 6 Australia
• 6 South Pacific Ocean
• 5 Cold regions
• 4 Botswana
• 4 California
• 4 Europe
• 4 Galapagos Islands
• 4 Okavango River Delta
• 3 Asia
• 3 Great Plains
• 3 Okavango River
• 3 Okavango River Delta (Botswana)
• 3 Papua New Guinea
• 3 Scandinavia
• 2 Alaska
• 2 Amazon River Region
• 2 China
• 2 Congo River

• 88 Nature television programs
• 51 Science television programs
• 46 Nonfiction television programs
• 30 Wildlife television programs
• 11 Video recordings for the hearing impaired
• 6 Travelogues (Television programs)
• 3 Educational television programs
• 2 Popular works
• 1 Biographical television programs
• 1 Films for the hearing impaired
• 1 Observations
• 1 Television programs
• 1 Television programs for the hearing impaired
• 1 Video recordings for people with visual disabilities

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