• 3 Map Library (Robinson)

• 8 Maps, Atlases

• 7 Population
• 5 Land use
• 4 Economic conditions
• 3 Mines and mineral resources
• 3 Phytogeography
• 2 Electric power distribution
• 2 Industries
• 2 Machinery industry
• 2 Metal-work
• 2 Metallurgy
• 2 Petroleum refineries
• 1 Agriculture
• 1 Autonomous soviet socialist republics
• 1 Chemical industries
• 1 Chemical industry
• 1 E2
• 1 Ethnic groups
• 1 F7
• 1 Fuel
• 1 Power resources

• 8 English

• 2 Soviet Union
• 2 Vietnam
• 1 China
• 1 Nepal
• 1 Russia (Federation)
• 1 Thailand

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