Geographic Subject
Switzerland
41
Germany (West)
23
United States
23
Germany
15
France
13
Great Britain
8
Zurich (Canton)
7
Canada
4
Malaysia
4
Netherlands
4
Malaya
3
Mexico
3
Pakistan
3
Aargau
2
Bern (Canton)
2
Chile
2
Haiti
2
Haïti
2
India
2
Neuchâtel (Canton)
2
New York (State)
2
North Carolina
2
Prussia
2
Saxe-Weimar-Eisenach
2
Soviet Union
2
Venezuela
2
4.210
1
Aargau (Canton)
1
Australia
1
Belgium
1
England
1
Europe
1
Europe, Eastern
1
Ghana
1
Graubünden
1
Guatemala
1
Hesse (Landgraviate)
1
Kentucky
1
Kenya
1
Liverpool
1
Manitoba
1
Mexique
1
New Netherland
1
New Zealand
1
Obwalden
1
Ohio
1
Poland
1
Russia
1
Saint Gall
1
Saint Gall (Canton)
1
more ...