• 40 Videos, Slides, Films

• 17 Environmental sciences
• 15 Study and teaching
• 14 Sociology
• 12 Physical geography
• 10 Geology
• 9 Biology
• 9 Physics
• 9 Reading
• 9 Writing
• 8 Anthropology
• 8 Chemistry
• 7 Psychology
• 7 Technology
• 6 Experiments
• 6 Mass media
• 5 Computer-assisted instruction
• 5 Educational technology
• 5 Instructional systems
• 5 Social aspects
• 4 Biosphere
• 4 Composition (Language arts)
• 4 Crime
• 4 Ethics

• 40 Films Media Group
• 40 Films for the Humanities & Sciences (Firm)
• 8 Cambridge Educational (Firm)
• 5 ABC News Productions
• 5 BBC Worldwide Ltd
• 4 Uniview Worldwide
• 2 Allegro Productions (Firm)
• 2 National Geographic Television & Film
• 2 Video Education Australasia
• 1 ABC International
• 1 Boston Visuals
• 1 CTE (Carlton) Limited
• 1 Carmelina Films (Firm)
• 1 Carolina Bioloical Supply Co
• 1 Dartmouth College
• 1 Eley O'Connor Detroit Ltd
• 1 Filmoption International (Firm)
• 1 Galloping Pictures
• 1 Motion Masters Film & Video Production
• 1 Online Classroom Ltd
• 1 Tele Images Creations (Firm)

• 40 English

• 5 United States
• 3 Europe
• 1 Spitalfields (London, England)

• 40 Videorecording
• 18 Video recordings for the hearing impaired

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