Region
Albania
1
Allegheny County
1
Allegheny County (Pa.)
1
Anbār (Iraq : Province)
1
Angola
1
Arab countries
2
Argentina
2
Arkansas
2
Austria
1
Balkan Peninsula
2
Berlin
7
Berlin (Germany)
7
Bosnia and Hercegovina
1
Brazil
1
Burma
1
Canada
2
Canal Zone
1
Central America
2
Chile
1
China
2
Cuba
2
Cyprus
1
Dessau (Dessau)
1
Developing countries
1
Egypt
3
Europe
3
Europe, Western
1
États-Unis
1
Förenta staterna
1
Germany
10
Germany (East)
1
Germany (West)
4
Great Britain
3
Greece
1
Grenada
1
Haiti
1
Hawaii
1
Independence National Historical Park (Philadelphia, Pa.)
1
Indian Territory
1
Irak
1
Iran
5
Iraq
5
Israel
2
Korea
1
Kyrgyzstan
1
Latin America
4
Lebanon
2
Liberia
5
Middle East
11
Nicaragua
1
more ...