Geographic Subject
United States
118
China
13
Soviet Union
12
Germany
10
Greece
9
Yugoslavia
9
Korea
8
Japan
6
Austria
5
Iran
5
Nicaragua
5
Turkey
5
Balkan Peninsula
4
Brazil
4
Central America
4
Egypt
4
Honduras
4
Hungary
4
Costa Rica
3
France
3
Great Britain
3
Guatemala
3
Italy
3
Mexico
3
Poland
3
Venezuela
3
Africa
2
Argentina
2
Belgium
2
Burma
2
Chile
2
Colombia
2
Cuba
2
Czechoslovakia
2
Dominican Republic
2
El Salvador
2
Ethiopia
2
Haiti
2
India
2
Korea (South)
2
Latin America
2
Lebanon
2
Liberia
2
Morocco
2
Panama
2
Romania
2
Afghanistan
1
Africa, Southern
1
Algeria
1
Asia
1
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