Geographic Subject
Germany
104
Switzerland
61
France
60
Netherlands
39
Great Britain
28
Sweden
26
China
25
United States
16
Hamburg (Germany)
15
Soviet Union
14
Japan
12
Poland
12
Europe
11
Developing countries
10
Finland
10
Indonesia
10
Italy
9
Austria
7
India
7
Mexico
7
Romania
7
Denmark
6
Genoa (Italy)
6
Germany (West)
6
Turkey
6
4.415
5
Belgium
5
Bordeaux (France)
5
Bulgaria
5
Egypt
5
Marseille (France)
5
Morocco
5
Rotterdam (Netherlands)
5
Spain
5
4.210
4
Algeria
4
Asia
4
Babylonia
4
Brazil
4
Bremen (Germany)
4
Europe, Eastern
4
Ghana
4
Hamburg
4
Latin America
4
Marseille
4
Nantes (France)
4
Rome
4
Russia
4
Scandinavia
4
Suisse
4
more ...