Geographic Subject
Soviet Union
53
Great Britain
46
Germany
32
Indonesia
14
Iran
12
India
11
South Africa
11
United States
11
Russia (Federation)
10
Scotland
7
China
5
Done︠t︡sʹka oblastʹ (Ukraine)
5
Africa
4
Austria
4
France
4
Portugal
4
Russia
4
Ukraine
4
Europe
3
Jakarta
3
Ural Mountains Region
3
Volga River Region
3
Afrique du Sud
2
Angola
2
Belarus
2
Berlin
2
Burma
2
Cameroon
2
Congo (Democratic Republic)
2
Dnipropetrovsʹk (Ukraine)
2
Ireland
2
Ivanovo (Ivanovska︠i︡a oblastʹ, Russia)
2
Japan
2
Liberia
2
Moscow (Russia)
2
Nizhniĭ Novgorod (Russia)
2
Papua New Guinea
2
Sao Tome and Principe
2
Spain
2
Tunisia
2
Witwatersrand
2
Africa, Central
1
Africa, East
1
Africa, North
1
Africa, Sub-Saharan
1
Algeria
1
Argentina
1
Asia
1
Azerbaijan
1
Baden
1
more ...