Subject Region
United States
235
Great Britain
118
England
81
Spain
36
France
28
Germany
19
Soviet Union
19
India
16
China
15
Japan
15
Europe
13
London
10
Ireland
9
Italy
9
South Africa
9
Espana
8
London (England)
8
Europe, Eastern
7
Germany (East)
7
Russia
7
Asia
6
Mexico
6
Argentina
5
California
5
Canada
5
Africa
4
Australia
4
New York
4
New York (State)
4
Portugal
4
Boston
3
Burma
3
Chile
3
Communist countries
3
Czech Republic
3
Iran
3
Massachusetts
3
Pennsylvania
3
Poland
3
Romania
3
Russia (Federation)
3
Asia, Central
2
Boston (Mass.)
2
Britain
2
Colombia
2
Cuba
2
Czechoslovakia
2
Europa
2
Kansas
2
Los Angeles
2
more ...