Geographic Subject
Germany
71
Sweden
16
India
13
Soviet Union
13
Russia (Federation)
12
Netherlands
8
France
7
Germany (West)
6
Israel
5
United States
5
4.210
3
Developing countries
3
Indonesia
3
China
2
Estonia
2
Karnataka
2
Mexico
2
Morocco
2
Russia
2
Singapore
2
South Africa
2
Sri Lanka
2
Switzerland
2
Thailand
2
4.020
1
Algeria
1
Algiers
1
Amparai District
1
Arab countries
1
Arctic regions
1
Austria
1
Bangkok (Thailand)
1
Batticaloa District
1
Berlin
1
Biombo
1
Biombo (Guinea-Bissau)
1
Bosnia and Hercegovina
1
Bulgaria
1
Chile
1
Congo (Brazzaville)
1
Ethiopia
1
Europe
1
Finland
1
Foreign countries
1
Former Soviet republics
1
Galle (District)
1
Great Britain
1
Guinea-Bissau
1
Gujarat
1
Göteborg (Sweden)
1
more ...