• 24 Videos, Slides, Films

• 11 Geology
• 10 Methodology
• 10 Research
• 8 Physics
• 7 Anthropology
• 7 Biology
• 7 Environmental sciences
• 7 Geography
• 7 Sociology
• 6 Chemistry
• 6 History
• 5 Ecosystem management
• 5 Experiments
• 4 Crime
• 4 Human geography
• 4 Politics and government
• 4 Psychology
• 4 Social control
• 3 Evolution
• 3 Historical geology
• 3 Human beings
• 3 Mathematics
• 3 Nationalism

• 20 Films Media Group
• 20 Films for the Humanities & Sciences (Firm)
• 7 BBC Worldwide Ltd
• 4 Cambridge Educational (Firm)
• 4 Crash Course Geography
• 4 National Geographic Television & Film
• 4 Uniview Worldwide
• 3 Zweites Deutsches Fernsehen
• 1 Europe Images International

• 24 English

• 4 Europe
• 4 United States
• 1 Africa
• 1 Antarctica
• 1 China
• 1 Great Barrier Reef (Qld.)
• 1 Haiti
• 1 Madagascar

• 20 Internet videos
• 17 Videorecording
• 15 Video recordings for the hearing impaired
• 4 Short films
• 3 Video recording

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