Geographic Subject
United States
50
Great Britain
47
France
17
Switzerland
17
Germany (West)
15
Pakistan
12
Germany
11
India
9
Ireland
6
Nepal
5
Sweden
5
Sri Lanka
4
Burma
3
Grande-Bretagne
3
Netherlands
3
Soviet Union
3
Babenhausen (Hesse)
2
Colombia
2
Mexico
2
États-Unis
2
4.415
1
California
1
Canada
1
Chile
1
Cuba
1
Denmark
1
Europe
1
Finland
1
Indonesia
1
Iraq
1
Israel
1
Louisiana
1
New York (State)
1
Palestine
1
Québec (Province)
1
Russia
1
Singapore
1
South Africa
1
Ticino
1
Transvaal
1
Zug (Canton)
1