• 3 Steenbock Library

• 64 Maps, Atlases

• 35 Economic conditions
• 31 Land use
• 18 Phytogeography
• 17 Ethnology
• 16 Industries
• 10 Administrative and political divisions
• 10 Mines and mineral resources
• 7 E2
• 6 Agriculture
• 4 Religion
• 3 Land use, Rural
• 3 Languages
• 2 Ethnic groups
• 2 Indians of Central America
• 2 Migration, Internal
• 2 Minorities
• 2 Muslims
• 2 Oil fields
• 2 Rain and rainfall
• 2 Tribes
• 1 Agricultural resources
• 1 Chemical industries
• 1 Climate
• 1 Crops

• 1 United States. Central Intelligence Agency. Cartography Center
• 1 United States. Central Intelligence Agency. Design Center

• 64 English

• 4 Soviet Union
• 3 Yemen (Republic)
• 2 Asia, Central
• 2 Caucasus
• 2 Colombia
• 2 Guatemala
• 2 Lebanon
• 2 Nicaragua
• 1 Afghanistan
• 1 Africa
• 1 Argentina
• 1 Austria
• 1 Benin
• 1 Berlin (Germany)
• 1 Bhutan
• 1 Bolivia
• 1 Brazil
• 1 Bulgaria
• 1 Burma
• 1 Chad
• 1 Chile
• 1 China
• 1 Costa Rica
• 1 Cuba
• 1 El Salvador

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