Geographic Subject
Switzerland
Zurich
30
Zurich (Canton)
23
Germany
16
Suisse
15
4.480
14
Basel
14
Bern (Canton)
12
Europe
9
United States
9
Germany (West)
8
Graubünden
8
Solothurn (Canton)
8
France
7
Lucerne (Canton)
7
Developing countries
6
European Economic Community countries
6
Winterthur
6
Aargau
5
Geneva
5
Saint Gall (Canton)
5
Austria
4
Schaffhausen (Canton)
4
Ticino
4
Zurich (Switzerland)
4
Basel-Stadt
3
Bern
3
European Union countries
3
Geneva (Canton)
3
Geneva (Switzerland)
3
Glarus (Canton)
3
Italy
3
Lucerne
3
Neuchâtel
3
Thurgau
3
Vaud
3
Zurich (Switzerland : Canton)
3
Zurich Region
3
Zürich
3
Appenzell Ausser-Rhoden
2
Baden
2
Basel (Canton)
2
Basel-Stadt (Switzerland)
2
Bernese Alps
2
Graubünden (Switzerland)
2
Hungary
2
Netherlands
2
Rhine River
2
Saint Gall
2
Schaffhausen
2
more ...