Geographic Subject
United States
38
Canada
10
Germany
10
Great Britain
10
Brazil
8
India
8
Cuba
6
Hawaii
5
Ontario
5
South Africa
5
Venezuela
5
California
4
Soviet Union
4
Virginia
4
Africa
3
Burma
3
China
3
Egypt
3
England
3
Guatemala
3
Japan
3
Peru
3
Poland
3
Québec (Province)
3
Zimbabwe
3
Bengal
2
Bulgaria
2
Burma, Upper
2
Chile
2
Cyprus
2
Czechoslovakia
2
Europe
2
Greece
2
Hungary
2
Israel
2
Korea
2
Korea (South)
2
Massachusetts
2
Mexico
2
Missouri
2
Palestine
2
Prussia
2
Puerto Rico
2
Romania
2
Tanzania
2
Yugoslavia
2
États-Unis
2
Africa, East
1
Africa, Southern
1
Africa, West
1
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