Geographic Subject
India
213
Japan
117
Russia (Federation)
103
Indonesia
88
Soviet Union
75
Pakistan
59
France
45
Argentina
39
Poland
37
Australia
35
Romania
35
Belgium
30
China
29
Germany
29
Bangladesh
28
Ukraine
28
Brazil
26
Former Soviet republics
23
Malaysia
23
Austria
22
Yugoslavia
21
England
20
Italy
20
Sri Lanka
20
Russian Far East
17
Mexico
16
Bulgaria
15
Great Britain
15
South Africa
15
Sun
13
Switzerland
13
Congo (Democratic Republic)
12
Lithuania
12
Philippines
12
Siberia
12
Czechoslovakia
11
New Zealand
11
Spain
11
Komi
10
Mongolia
10
Tropics
10
Ural Mountains Region
10
Netherlands
9
Singapore
9
Thailand
9
Armenia (Republic)
8
Canada
8
Finland
8
Hungary
8
Pacific Ocean
8
more ...