• 75 Videos, Slides, Films

• 68 Rural-urban migration
• 68 Urbanization
• 66 Social ecology
• 65 Social change
• 38 Human geography
• 32 Human ecology
• 19 Effect of human beings on
• 19 Nature
• 17 Environmental aspects
• 16 Cultural geography
• 16 Economic aspects
• 16 Urban geography
• 15 Conservation of natural resources
• 14 Environmental protection
• 12 Water
• 11 International economic relations
• 11 Study and teaching
• 10 Environmental geography
• 10 History
• 9 Economic geography
• 9 Social structure
• 8 Architecture, Modern
• 8 Land use
• 8 Political planning

• 73 Films Media Group
• 71 Films for the Humanities & Sciences (Firm)
• 5 Tapestry International (Firm)
• 4 New Atlantis (Firm)
• 4 Parthenon Entertainment (Firm)
• 3 BBC Worldwide Ltd
• 3 Canadian Broadcasting Corporation
• 3 Classroom Video (Firm)
• 3 Fred Friendly Seminars (Firm)
• 3 MacNeil/Lehrer Productions
• 3 National Association of Home Builders of the United States
• 3 Public Broadcasting Service (U.S.)
• 3 Windfall Films
• 2 4 Learning (Firm)
• 2 ABC News Productions
• 2 Alexander Street Press
• 2 ITEL (Firm)
• 2 Monterey Home Video (Firm)
• 2 TVA Films (Firm)
• 2 Team Sound & Vision Inc
• 2 Video Education Australasia
• 1 601 Production Ltd
• 1 A&E Television Networks, LLC
• 1 Alexander, Don
• 1 American Public Television

• 75 English
• 2 Multiple languages

• 13 United States
• 6 China
• 2 Africa
• 2 Africa, Sub-Saharan
• 2 Europe
• 2 India
• 2 Latin America
• 2 Middle East
• 2 South Asia
• 1 Africa, North
• 1 Detroit (Mich.)
• 1 East Asia
• 1 Gambia
• 1 Iran
• 1 Japan
• 1 Korea
• 1 North America
• 1 Shanghai (China)
• 1 South America

• 71 Educational films
• 71 Videorecording
• 36 Video recordings for the hearing impaired
• 1 Case studies
• 1 Documentary
• 1 Documentary films
• 1 Feature films

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