• 18 Maps, Atlases

• 16 Population
• 9 Land use
• 7 Mines and mineral resources
• 5 Agriculture
• 5 Phytogeography
• 3 Administrative and political divisions
• 2 E2
• 2 Economic conditions
• 2 Ethnology
• 2 Indians of Central America
• 2 Migration, Internal
• 1 Agricultural resources
• 1 Crops
• 1 Distances, etc
• 1 Land capability for agriculture
• 1 Languages
• 1 M1
• 1 Minorities
• 1 Oil fields
• 1 Religion

• 18 English

• 2 Guatemala
• 1 Afghanistan
• 1 Argentina
• 1 Austria
• 1 Bhutan
• 1 China
• 1 Colombia
• 1 El Salvador
• 1 France
• 1 French Guiana
• 1 Germany (East)
• 1 Guadeloupe
• 1 India
• 1 Iran
• 1 Japan
• 1 Korea (North)
• 1 Maps and atlases
• 1 Martinique
• 1 Mexico
• 1 Mozambique
• 1 Norway
• 1 Sikkim (India)
• 1 West Indies

Limit year range