Geographic Subject
Indonesia
99
India
91
Asia, Southeastern
27
Soviet Union
19
Pakistan
16
Russia (Federation)
15
United States
15
Germany
9
Asia
8
Developing countries
7
Michigan
6
Bangladesh
5
Singapore
5
Alabama
3
Bulgaria
3
Nepal
3
Poland
3
Africa
2
Bihar
2
Brazil
2
China
2
Java
2
Jawa Tengah
2
Karnataka
2
Russia
2
Siberia
2
Southeast Asia
2
Sudan
2
Thailand
2
Yugoslavia
2
Africa, Eastern
1
Africa, Southern
1
Akademgorodok (Novosibirsk, Russia)
1
Andhra Pradesh
1
Arctic regions
1
Bali
1
Bali (Indonesia : Province)
1
Baltic States
1
Belarus
1
Bengal
1
Bur︠i︡ati︠i︡a
1
Caucasus, Northern
1
Chel︠i︡abinska︠i︡a oblastʹ
1
Czechoslovakia
1
Darussalam
1
Delhi
1
Europe, Eastern
1
India, Northeastern
1
Jakarta
1
Jammu and Kashmir
1
more ...