• 115 Videos, Slides, Films

• 46 Evolution (Biology)
• 33 Population
• 32 Biotic communities
• 28 Ecology
• 27 Genetics
• 25 Heredity, Human
• 24 Biosphere
• 22 Evolution
• 21 Human evolution
• 21 Physical anthropology
• 18 Origin
• 17 Human beings
• 16 Primates
• 14 Historical geology
• 13 Biogeography
• 12 Animal diversity
• 12 Morphology (Animals)
• 12 Reproduction
• 11 Anatomy, Comparative
• 11 Phylogeny
• 11 Physiology, Comparative
• 11 Zoology
• 10 Darwin, Charles, 1809-1882
• 9 Animal behavior

• 115 Films Media Group
• 15 Parthenon Entertainment (Firm)
• 12 National Geographic Television & Film
• 10 BBC Worldwide Ltd
• 6 FremantleMedia
• 6 Granada Media (Firm)
• 5 Content Media Corporation
• 4 Ampersand Film & Video Tape Productions
• 4 Cambridge Educational (Firm)
• 3 ABC News Productions
• 3 Infobase
• 3 Open University
• 2 Doc en Stock (Firm)
• 2 Video Education Australasia
• 1 10 Francs (Firm)
• 1 4 Learning (Firm)
• 1 A&E Television Networks, LLC
• 1 ABC International
• 1 Allegro Productions (Firm)
• 1 Beyond Entertainment Ltd
• 1 Driscoll, Emily V
• 1 EP Independent
• 1 Electric Sky (Firm)
• 1 Filmoption International (Firm)

• 115 English

• 3 Arabian Peninsula
• 3 United States
• 1 Africa
• 1 Atacama Desert (Chile)
• 1 China
• 1 Cuba
• 1 Cyprus
• 1 Fiji
• 1 Galapagos Islands
• 1 Germany
• 1 Gobi Desert (Mongolia and China)
• 1 Iceland
• 1 Namibia
• 1 Red Sea
• 1 Rwanda
• 1 Solar system
• 1 Sonoran Desert
• 1 Thar Desert (India and Pakistan)
• 1 Zanzibar

• 115 Internet videos
• 114 Educational films
• 113 Videorecording
• 38 Video recordings for the hearing impaired
• 1 Songs and music
• 1 Video recording

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