• 5 Videos, Slides, Films

• 5 Dynamics
• 4 Physics
• 4 Study and teaching
• 3 Discoveries in science
• 3 Heat
• 3 Heat-engines
• 3 History
• 3 Thermodynamics
• 1 Astronomy
• 1 Chemical reactions
• 1 Energy consumption
• 1 Energy development
• 1 Environmental aspects
• 1 Galaxies
• 1 Management
• 1 Natural resources
• 1 Power resources
• 1 Stars

• 5 Films Media Group
• 5 Films for the Humanities & Sciences (Firm)
• 2 Cambridge Educational (Firm)
• 2 Video Education Australasia
• 1 Allegro Productions (Firm)

• 5 English

• 1 Outer space

• 5 Educational films
• 5 Videorecording
• 4 Video recordings for the hearing impaired

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