Geographic Subject
Germany
12
Sweden
9
Switzerland
6
Finland
4
Netherlands
4
Germany (West)
3
Africa
2
France
2
Madagascar
2
Tunisia
2
4.050
1
4.210
1
4.935
1
Algeria
1
Antananarivo (Province)
1
Bavaria
1
Bern
1
Burkina Faso
1
Curaçao
1
Egypt
1
French-speaking countries
1
Great Britain
1
Halle
1
Harderwijk (Netherlands)
1
Hungary
1
Israel
1
Kiel
1
Mexico
1
Morocco
1
North Rhine-Westphalia
1
Prussia
1
Soviet Union
1
Suède
1
United States
1