Geographic Subject
United States
17
Brazil
16
India
8
Czechoslovakia
6
Malaysia
6
Soviet Union
6
Bulgaria
4
Great Britain
4
Israel
4
Japan
4
Europe
3
Germany
3
Italy
3
Saudi Arabia
3
South Africa
3
Vietnam
3
Africa, East
2
Africa, Southern
2
Africa, West
2
Albania
2
Austria
2
Brasil
2
China
2
Europe, Eastern
2
Germany (East)
2
Ghana
2
Hyderabad
2
Hyderabad (India)
2
Palestine
2
Romania
2
Straits Settlements
2
Vietnam (Democratic Republic)
2
Yugoslavia
2
Zimbabwe
2
Asia, Southeastern
1
East Indies
1
Iowa
1
Karnataka
1
Karnataka (India)
1
Kayes (Mali : Region)
1
Kayes Region
1
Lübeck
1
Lübeck (Germany)
1
Madhya Pradesh (India)
1
Mali
1
Merseburg
1
Merseburg (Germany : Regierungsbezirk)
1
Merseburg (Regierungsbezirk)
1
New South Wales
1
Northern Ireland
1
more ...