• 1 VHS Videocassettes

• 9 Geology
• 7 Physical geography
• 6 Human beings
• 6 Origin
• 6 Research
• 6 Sociology
• 5 Biology
• 5 Ecosystem management
• 5 Historical geology
• 5 Methodology
• 4 Chemistry
• 4 Crime
• 4 Environmental sciences
• 4 Evolution
• 4 Experiments
• 4 Physics
• 4 Politics and government
• 4 Primates
• 4 Psychology
• 4 Social control
• 2 Applied mathematics
• 2 Communication
• 2 Culture

• 14 Films Media Group
• 13 Films for the Humanities & Sciences (Firm)
• 6 BBC Worldwide Ltd
• 4 Uniview Worldwide
• 3 National Geographic Television & Film
• 2 Annenberg Learner (Firm)
• 2 Chedd-Angier Production Company
• 2 Sabeti, Pardis, 1975-
• 2 Villiger, Maggie
• 1 Adrian Malone Productions (Firm)
• 1 Biniman Productions (Firm)
• 1 British Broadcasting Corporation. Television Service
• 1 CTE (Carlton) Limited
• 1 Camila Films (Firm)
• 1 Canadian Broadcasting Corp. (Firm)
• 1 Canal Futura (Television station : Rio de Janeiro, Brazil)
• 1 Cine-Ojo (Firm)
• 1 Federal Distribución Internacional (Argentina)
• 1 Hall, Stuart, 1932-2014
• 1 Infobase
• 1 Jhally, Sut
• 1 KCET (Television station : Los Angeles, Calif.)
• 1 Kanopy (Firm)
• 1 MacNeil/Lehrer Productions
• 1 Maybury-Lewis, David

• 19 English
• 1 Portuguese
• 1 Spanish

• 4 United States
• 1 Latin America

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