Geographic Subject
Indonesia
37
India
35
Russia (Federation)
35
Soviet Union
28
Asia, Southeastern
21
Africa
17
Siberia (Russia)
14
Malaysia
13
Developing countries
10
Asia
9
Russia, Northern
9
Southeast Asia
9
Japan
8
Russia
8
United States
7
Brazil
6
Russia, Northwestern
6
Sri Lanka
6
Thailand
5
Congo (Democratic Republic)
4
Komi (Russia)
4
Morocco
4
Pakistan
4
Russian Far East
4
Russian Far East (Russia)
4
Bashkortostan (Russia)
3
Communist countries
3
India, Northeastern
3
Kalimantan Selatan
3
Kalimantan Selatan (Indonesia)
3
Kyrgyzstan
3
Latin America
3
Poland
3
Siberia
3
South Africa
3
South Asia
3
Argentina
2
Asia del Sudeste
2
Bashkortostan
2
Caribbean Area
2
Chile
2
Ethiopia
2
Europe, Eastern
2
Ghana
2
Greece
2
Guinea-Bissau
2
Karnataka (India)
2
Kenya
2
Kerala (India)
2
Korea
2
more ...