Geographic Subject
India
94
Indonesia
89
Soviet Union
48
United States
41
Russia (Federation)
40
Germany
36
China
32
France
24
Switzerland
17
Russian Far East
13
Sweden
12
Great Britain
9
Japan
9
Tanzania
9
Singapore
8
Yugoslavia
8
Pakistan
7
Siberia
7
Virginia
7
Netherlands
6
Asia, Southeastern
5
Brazil
5
Europe
5
Germany (West)
5
Malaysia
5
Mexico
5
Sri Lanka
5
Canada
4
Developing countries
4
Europe, Eastern
4
Norway
4
Russia, Northern
4
Sakha
4
Siberia (Russia)
4
South Africa
4
Thailand
4
Bur︠i︡ati︠i︡a
3
Graubünden
3
Iowa
3
Jawa Tengah
3
Nepal
3
North Carolina
3
Nusa Tenggara Timur
3
Poland
3
Sumatera Selatan
3
Zimbabwe
3
Ambon Island
2
Andhra Pradesh
2
Australia
2
Bangladesh
2
more ...