• 20 Videos, Slides, Films

• 9 Study and teaching
• 8 Population
• 7 Growth
• 5 Urbanization
• 4 History
• 4 Pollution
• 2 Cultural geography
• 2 Postwar reconstruction
• 2 Social ecology
• 2 Social life and customs
• 2 Social sciences
• 2 Urban health
• 1 4-H clubs
• 1 Antiquities, Prehistoric
• 1 Assimilation (Sociology)
• 1 Border patrols
• 1 City planning
• 1 Civilization, Ancient
• 1 Conservation of natural resources
• 1 Culture
• 1 Dams
• 1 Deviant behavior
• 1 Emigration and immigration
• 1 Environmental policy

• 20 Films Media Group
• 20 Films for the Humanities & Sciences (Firm)
• 5 Global Screen GmbH
• 3 BBC Worldwide Ltd
• 2 Planet Pictures (Firm)
• 1 Canadian Broadcasting Corporation
• 1 MVD Entertainment Group
• 1 University of Notre Dame
• 1 Windfall Films

• 19 English
• 1 French

• 2 Brazil
• 2 China
• 1 Arizona
• 1 Canada
• 1 Cape Town (South Africa)
• 1 France
• 1 Istanbul (Turkey)
• 1 Latin America
• 1 Mexico
• 1 Mexico City
• 1 Mexico City (Mexico)
• 1 New York (N.Y.)
• 1 Paris (France)
• 1 Rio de Janeiro
• 1 Rio de Janeiro (Brazil)
• 1 San Xia Dam (China)
• 1 São Paulo
• 1 São Paulo (Brazil)
• 1 United States

• 20 Educational films
• 20 Internet videos
• 3 Video recordings for the hearing impaired
• 2 Newsreels

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