• 2 Cities and towns
• 2 Population
• 2 Population policy
• 2 Rural-urban migration
• 2 Social ecology
• 2 Sociology
• 2 Urbanization
• 1 African Americans
• 1 Culture
• 1 Economics
• 1 Environmental aspects
• 1 International relations
• 1 Land use
• 1 Social structure
• 1 War
• 1 Water resources development
• 1 World War, 1939-1945
• 1 World politics

• 4 Films Media Group
• 2 Films for the Humanities & Sciences (Firm)
• 2 Infobase
• 1 American Public Television
• 1 NC State University (Firm)
• 1 Nick Jordan (Firm)
• 1 Public Broadcasting Service (U.S.)

• 4 English

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