• 1 Steenbock Library

• 52 Videos, Slides, Films

• 6 DVDs

• 44 Animals
• 23 Ecology
• 14 Biodiversity
• 11 Physical geography
• 10 Habitat (Ecology)
• 9 Biotic communities
• 8 Climatic changes
• 6 Animal ecology
• 6 Motion picture authorship
• 5 Earth sciences
• 5 Weather
• 4 Desert ecology
• 3 Animal behavior
• 3 Deserts
• 3 Grasslands
• 3 Marine ecology
• 3 Mountains
• 3 Ocean
• 2 Adaptation (Biology)
• 2 Animal communication
• 2 Forest ecology
• 2 Forests and forestry
• 2 Jungles
• 2 Life (Biology)

• 25 British Broadcasting Corporation
• 24 BBC Worldwide Ltd.
• 24 Discovery Channel (Firm)
• 21 BBC Worldwide Americas, Inc.
• 16 France télévision
• 13 BBC America
• 13 British Broadcasting Corporation. Natural History Unit
• 13 Fothergill, Alastair
• 13 Zweites Deutsches Fernsehen
• 11 Nihon Hōsō Kyōkai
• 9 BBC Earth (Firm)
• 8 Cordey, Huw
• 7 Tencent Penguin Pictures
• 7 Zhong yang dian shi tai (Beijing, China). Ji lu pin dao
• 6 BBC Studios. Natural History Unit
• 6 Berlowitz, Vanessa
• 5 Silverback Films (Firm)
• 5 Tencent Pictures
• 4 Charles, Ed
• 4 Hunter, Chadden Piers
• 4 Napper, Emma
• 3 Barton, Miles
• 3 Devas, Fredi
• 3 Linfield, Mark

• 52 English
• 1 French

• 23 Earth (Planet)
• 14 Polar regions
• 13 Arctic regions
• 12 Antarctica
• 5 Cold regions
• 4 Africa
• 2 Congo River
• 2 Congo River Valley
• 2 Europe
• 2 Kalahari Desert
• 2 Tropics
• 1 Africa, Eastern
• 1 Alaska
• 1 Arctic Ocean
• 1 Asia
• 1 Australia
• 1 Botswana
• 1 British Columbia
• 1 Eastern Hemisphere
• 1 Everest, Mount (China and Nepal)
• 1 Great Plains
• 1 Greenland
• 1 Himalaya Mountains
• 1 Mediterranean Region
• 1 North America

• 51 Nature television programs
• 31 Science television programs
• 22 Nonfiction television programs
• 13 Wildlife television programs
• 6 Video recordings for the hearing impaired
• 3 Educational television programs
• 2 Popular works
• 1 Observations
• 1 Television programs

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