• 37 Videos, Slides, Films
• 1 Books

• 37 Inorganic compounds
• 37 Organic compounds
• 10 Quantum theory
• 9 Physics
• 9 Study and teaching
• 8 Discoveries in science
• 8 History
• 6 Chemistry
• 5 Chemical bonds
• 5 Experiments
• 4 Chemical reactions
• 4 Ecology
• 4 Environmental chemistry
• 3 Dynamics
• 3 Geology, Structural
• 3 Mantle
• 3 Mechanics
• 2 Biology
• 2 Chemistry, Organic
• 2 Conservation of natural resources
• 2 Energy consumption
• 2 Energy development
• 2 Environmental aspects

• 37 Films Media Group
• 37 Films for the Humanities & Sciences (Firm)
• 7 Granada Media (Firm)
• 7 Video Education Australasia
• 4 BBC Worldwide Ltd
• 4 Goldhil Video (Firm)
• 4 La Compagnie des Taxi-Brousse
• 4 Standard Deviants (Performing group)
• 3 Allegro Productions (Firm)
• 2 Open University
• 1 4 Learning (Firm)
• 1 A&E Television Networks, LLC
• 1 Cambridge Educational (Firm)
• 1 Harding, Charlie
• 1 Janes, Rob
• 1 Johnson, D. A. (David Arthur)
• 1 Royal Society of Chemistry (Great Britain)

• 3 Earth (Planet)
• 1 Russia

• 37 Educational films
• 37 Internet videos
• 36 Videorecording
• 16 Video recordings for the hearing impaired
• 1 Video recording

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