Geographic Subject
India
775
Germany
587
United States
363
Soviet Union
292
Indonesia
268
Germany (West)
266
France
259
Great Britain
231
Russia (Federation)
188
Switzerland
164
Pakistan
115
Sweden
93
Japan
83
Poland
83
Yugoslavia
72
Netherlands
62
Malaysia
55
Sri Lanka
54
South Africa
46
Thailand
46
China
45
Europe
43
Argentina
42
Austria
39
Singapore
36
Asia
34
Bangladesh
32
England
32
Mexico
31
Tamil Nadu
30
Karnataka
26
Siberia
25
Africa
24
Gujarat
24
Canada
22
Italy
22
Kerala
22
Ohio
22
Ural Mountains Region
22
Developing countries
21
Brazil
20
California
20
Europe, Eastern
20
Philippines
20
Russia
20
Venezuela
20
Prussia
17
Colombia
16
Siberia (Russia)
16
Belgium
15
more ...