Region
Africa, East
1
Asia
2
Australasia
14
Australia
5
Balkan Peninsula
1
Belgium
2
British Columbia
1
California
6
Cambridge
1
Canada
7
Chicago
1
China
9
Colombia
1
Communist countries
2
East Asia
2
England
4
Europe, German-speaking
1
Former communist countries
2
France
2
Germany
5
Great Britain
142
Hungary
1
Illinois
1
Japan
4
Kentucky
1
Korea
1
Korea (South)
1
London (England)
1
Massachusetts
1
Morocco
1
Netherlands
2
New Mexico
2
New York
1
New York (State)
1
New Zealand
1
North America
1
North Carolina
1
Poland
1
Québec (Province)
2
Québec (Province)
1
Russia
2
Saskatchewan
1
Scandinavia
2
Singapore
4
South Africa
1
South America
2
Soviet Union
1
States
1
Tennessee
1
United States
302
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