Geographic Subject
Russia (Federation)
333
Soviet Union
284
Russia
171
United States
74
Moscow (Russia)
68
Africa
65
Europe
64
China
52
Europe, Eastern
40
Developing countries
39
France
37
Latin America
33
Asia
31
Great Britain
31
India
31
Japan
31
Saint Petersburg (Russia)
31
Turkey
23
Germany
20
Middle East
18
Indonesia
17
Italy
16
Ukraine
16
Siberia (Russia)
14
Arab countries
13
Asia, Southeastern
13
Germany (West)
12
Poland
12
Czechoslovakia
11
South Africa
11
Spain
11
Cuba
10
Iran
10
Pakistan
10
Siberia
10
Afghanistan
9
Africa, Sub-Saharan
9
Bulgaria
9
Canada
9
Korea (South)
9
Asia, Central
8
Balkan Peninsula
8
Communist countries
8
Greece
8
Korea
8
Moscow
8
Europe, Central
7
Hungary
7
Islamic countries
7
Kazakhstan
7
more ...