• 12 Videos, Slides, Films

• 9 Human geography
• 7 Economic aspects
• 6 Power (Social sciences)
• 6 Social classes
• 6 Wealth
• 5 Environmental aspects
• 4 Cultural geography
• 4 Environmental geography
• 4 Human ecology
• 4 Management
• 4 Social ecology
• 3 Conservation of natural resources
• 3 Effect of human beings on
• 3 Environmental protection
• 3 International business enterprises
• 3 Nature
• 2 International economic relations
• 2 Public health
• 2 Social change
• 2 Women
• 1 Business ethics
• 1 Communicable diseases
• 1 Diseases

• 12 Films for the Humanities & Sciences (Firm)
• 4 System TV (Firm)
• 3 Network Ireland Television
• 1 ABC International
• 1 DR TV (Television station : Copenhagen, Denmark)
• 1 Europe Images International
• 1 Java (Firm)
• 1 Video Education Australasia

• 12 English
• 5 Multiple languages

• 8 Africa, Sub-Saharan
• 2 Africa, North
• 1 Africa
• 1 China
• 1 Greece
• 1 Southeast Asia

Limit year range