• 16 Videos, Slides, Films

• 13 Technology
• 8 Biology
• 6 Biotechnology
• 6 Social aspects
• 6 Study and teaching
• 6 Vocational guidance
• 5 Mathematics
• 4 Environmental sciences
• 4 Forecasting
• 4 Medicine
• 4 Methodology
• 4 Physical geography
• 4 Psychology
• 3 Applied mathematics
• 3 Chemistry
• 3 Geology
• 3 Physics
• 3 Social change
• 3 Sociology
• 3 Technological aspects
• 2 Anatomy
• 2 Anthropology
• 2 Crime

• 16 Films for the Humanities & Sciences (Firm)
• 5 Parthenon Entertainment (Firm)
• 2 Uniview Worldwide
• 1 ABC News Productions
• 1 BBC Worldwide Ltd
• 1 Cambridge Educational (Firm)
• 1 Fred Friendly Seminars (Firm)
• 1 NPO/Netherlands Public Broadcast
• 1 Nobel Media AB (Firm)
• 1 Online Classroom Ltd
• 1 Scorpion TV
• 1 Video Education Australasia

• 16 English

• 3 United States
• 1 China

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