Geographic Subject
India
513
Soviet Union
217
Russia (Federation)
208
Indonesia
184
United States
180
Germany
161
California
101
Japan
96
China
84
Pakistan
68
France
65
Sweden
62
Bangladesh
57
Switzerland
53
Great Britain
47
Sri Lanka
37
Germany (West)
35
Russia
33
Siberia
30
Malaysia
29
Poland
26
Yugoslavia
26
Developing countries
24
Europe
21
Nepal
21
Punjab
19
Kerala
16
Netherlands
16
Asia, Southeastern
15
Himachal Pradesh
15
Egypt
14
Iowa
14
Russia, Northern
14
Russian Far East
14
Thailand
14
Haryana
13
Karnataka
13
Massachusetts
13
Asia
12
Bihar
12
Brazil
12
Iran
12
Ural Mountains Region
12
Canada
11
Gujarat
11
Italy
11
Taiwan
11
Africa
10
Germany (East)
10
Hungary
10
more ...