Geographic Subject
United States
États-Unis
6
Soviet Union
4
Brazil
3
Colombia
3
Confederate States of America
3
France
3
Liberia
3
Nicaragua
3
Turkey
3
Bolivia
2
Central America
2
Egypt
2
Ethiopia
2
Germany
2
Great Britain
2
Louisiana
2
Madagascar
2
Missouri
2
Panama
2
Serbia
2
Yugoslavia
2
Afghanistan
1
Africa, Southern
1
Angola
1
Austria
1
Baltic States
1
Baltimore
1
Belgium
1
Boston
1
Canada
1
Chile
1
China
1
Congo (Democratic Republic)
1
Costa Rica
1
Czechoslovakia
1
Denmark
1
El Salvador
1
Florida
1
Floride
1
Gabon
1
Guam
1
Guatemala
1
Haiti
1
Honduras
1
Hungary
1
Idaho
1
Idaho Territory
1
Indonesia
1
Jamaica
1
more ...