• 139 Videos, Slides, Films

• 40 History
• 25 Human geography
• 21 Historical geology
• 21 Plate tectonics
• 19 Voyages and travels
• 18 Description and travel
• 15 Geology
• 15 Study and teaching
• 13 Social conditions
• 12 Internal structure
• 11 International economic relations
• 11 Urban geography
• 10 Environmental aspects
• 10 Human ecology
• 10 Research
• 9 Economic aspects
• 9 Methodology
• 9 Travel
• 8 Architecture, Modern
• 7 Adventure travel
• 7 Ecosystem management
• 7 Effect of human beings on
• 7 Geography
• 7 Nature

• 139 Films Media Group
• 34 555 Productions, Inc
• 20 Canamedia (Firm)
• 10 Agency for Instructional Technology
• 10 Infobase
• 8 Electric Sky (Firm)
• 7 Public Broadcasting Service (U.S.)
• 6 BBC Worldwide Ltd
• 5 Cambridge Educational (Firm)
• 4 Uniview Worldwide
• 3 American Public Television
• 3 Zweites Deutsches Fernsehen
• 2 Video Education Australasia
• 1 4 Learning (Firm)
• 1 Carlton International Media Limited
• 1 Europe Images International
• 1 Film at Eleven (Firm)
• 1 Java (Firm)
• 1 Minotaur International
• 1 System TV (Firm)
• 1 Telepool GmbH
• 1 Zarafa Films

• 139 English
• 1 Spanish

• 15 Europe
• 15 Latin America
• 13 Earth (Planet)
• 12 Africa
• 10 Asia
• 9 South America
• 8 India
• 8 Middle East
• 7 South Asia
• 6 United States
• 5 Africa, Sub-Saharan
• 5 China
• 4 Southeast Asia
• 3 Australia
• 3 Japan
• 3 Mexico
• 3 North America
• 3 Oceania
• 2 Central America
• 2 Costa Rica
• 2 Haiti
• 2 Italy
• 2 Kenya
• 2 Solar system
• 1 Argentina

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