Region
United States
83
Great Britain
40
Soviet Union
40
Europe
32
Germany
23
France
8
Confederate States of America
6
England
6
Canada
5
Communist countries
5
Israel
5
China
3
Cuba
3
Italy
3
Pennsylvania
3
Philadelphia
3
Poland
3
Afghanistan
2
Amsterdam
2
Amsterdam (Netherlands)
2
Eastern Europe
2
Europe, Eastern
2
Fès
2
Fès (Morocco)
2
Georgia
2
Japan
2
Madrid
2
Madrid (Spain)
2
Middle East
2
Morocco
2
Netherlands
2
New York
2
New York (State)
2
Pacific Area
2
Paris
2
Russia
2
Russia (Federation)
2
Spain
2
Vietnam (Democratic Republic)
2
Vietnam (Republic)
2
Zelenograd (Russia)
2
Angola
1
Austria
1
Azerbaijan
1
Canary Islands
1
Egypt
1
Germany (East)
1
Germany (West)
1
Grande-Bretagne
1
Greece
1
more ...