• 32 Videos, Slides, Films

• 26 Study and teaching
• 9 Environmental sciences
• 9 Physics
• 9 Research
• 8 Chemistry
• 6 Anatomy
• 6 Anthropology
• 6 Biodiversity
• 6 Genetics
• 6 Geology
• 6 Mathematics
• 6 Methodology
• 6 Physical geography
• 6 Physiology
• 6 Science
• 6 Vocational guidance
• 5 Experiments
• 5 Heredity, Human
• 4 Crime
• 4 Engineering
• 4 Politics and government
• 4 Psychology
• 4 Social control
• 4 Sociology

• 32 Films Media Group
• 5 Cambridge Educational (Firm)
• 4 BBC Worldwide Ltd
• 4 Uniview Worldwide
• 3 German United Distributors
• 3 MacNeil/Lehrer Productions
• 2 Canadian Broadcasting Corporation
• 2 Open University
• 1 ABC News Productions
• 1 Joy of Giving Something, Inc
• 1 La Compagnie des Taxi-Brousse
• 1 Looking Glass Pictures
• 1 Nobel Media AB (Firm)
• 1 Paper Tiger Television Collective (Firm)
• 1 Public Broadcasting Service (U.S.)
• 1 Video Education Australasia

• 32 English

• 4 United States
• 1 Solar system

• 32 Educational films
• 32 Internet videos
• 32 Videorecording
• 1 Interviews

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