Geographic Subject
United States
33
Great Britain
15
India
12
Germany
11
France
8
Pakistan
4
Indonesia
3
Belarus
2
Russia
2
Switzerland
2
Tübingen
2
Vitsebskai︠a︡ voblastsʹ
2
Basel
1
Denmark
1
England
1
Europe
1
Frankfurt am Main
1
Frankfurt am Main (Germany)
1
Germany (West)
1
Mexico
1
New York (State)
1
Poland
1
Scotland
1
Sweden
1