Geographic Subject
Great Britain
59
India
23
Soviet Union
23
China
7
United States
6
Nepal
5
Russia (Federation)
5
Burma
3
Cambodia
3
Chile
3
Germany (West)
3
Iran
3
Latin America
3
Argentina
2
Czechoslovakia
2
Ethiopia
2
Europe
2
Germany
2
Indonesia
2
Israel
2
Italy
2
Murmansk (Russia)
2
Nicaragua
2
Spain
2
Tel Aviv (Israel)
2
Vietnam
2
Africa
1
Alma-Ata (Kazakhstan)
1
Angola
1
Asia, Southeastern
1
Astrakhanʹ
1
Astrakhanʹ (Russia)
1
Austria
1
Banten (Dutch East Indies : Residency)
1
Bolivia
1
Chuvashia
1
Developing countries
1
El Salvador
1
Eritrea
1
Europe, Eastern
1
Germany (East)
1
Japan
1
Kazakhstan
1
Latvia
1
Lithuania
1
Murmansk
1
Murmanskai︠a︡ oblastʹ
1
Northern Ireland
1
Pakistan
1
Philippines
1
more ...