• 5 Administrative and political divisions
• 4 Mines and mineral resources
• 4 Population density
• 3 Harbors
• 3 Language and languages
• 2 Ethnic groups
• 2 Glaciers
• 2 Languages
• 2 Population
• 2 Railroads
• 1 Agricultural geography
• 1 Agricultural mapping
• 1 Agriculture
• 1 Airports
• 1 Bombing, Aerial
• 1 Building materials
• 1 Coal
• 1 Crops
• 1 Destruction and pillage
• 1 Electric power production
• 1 Electric power transmission
• 1 Fisheries
• 1 Fishing
• 1 Ice
• 1 Ice caps

• 7 United States. Office of Strategic Services. Reproduction Branch
• 3 United States. Board of Economic Warfare
• 3 United States. Board of Economic Warfare. Enemy Branch
• 2 United States. Board of Economic Warfare. Office of Imports
• 1 United States. Board of Economic Warfare. Blockade and Supply Branch

• 48 English

• 8 South Africa
• 4 Japan
• 4 South Asia
• 3 India
• 3 Italy
• 2 Africa, West
• 2 Algeria
• 2 Congo (Democratic Republic)
• 2 Netherlands
• 2 Osaka (Japan)
• 2 Thailand
• 2 Tunisia
• 1 Africa
• 1 Africa, Central
• 1 Africa, Northwest
• 1 Amsterdam
• 1 Antarctica
• 1 Arctic regions
• 1 Bengal, Bay of
• 1 Bulgaria
• 1 Burma
• 1 Cape Town
• 1 Cape Town (South Africa)
• 1 Central America
• 1 China

Limit year range