Region
United States
23
Germany
10
Japan
10
China
9
France
9
India
6
Great Britain
5
Asia, Southeastern
2
Czechoslovakia
2
Jordan
2
Korea
2
Russia
2
Soviet Union
2
Yugoslavia
2
Arab countries
1
Asia
1
Austria
1
Bohemia and Moravia (Protectorate, 1939-1945)
1
British Columbia
1
Canada
1
Colombia
1
Czechoslovak Republic
1
Egypt
1
English-speaking countries
1
Europe
1
GreatBritain
1
Greece
1
Guatemala
1
Iraq
1
Kosovo (Serbia)
1
Kuwait
1
Northwest coast of North America
1
Northwest, Canadian
1
Pakistan
1
Poland
1
Portugal
1
Ruhr (Region)
1
Russian
1
Southern States
1
Southern states
1
Taiwan
1