Geographic Subject
Congo (Democratic Republic)
9
China
7
Indonesia
7
Russia (Federation)
7
Exeter (England)
4
India
4
Kazakhstan
3
Russia
3
Soviet Union
3
Uzbekistan
3
Austria
2
Belarus
2
Bombay (India)
2
Cameroon
2
Douala (Cameroon)
2
Jakarta (Indonesia)
2
Kinshasa (Congo)
2
Lancaster (England)
2
Mexico
2
Russie
2
Saint Petersburg
2
Saint Petersburg (Russia)
2
Singapore
2
Yugoslavia
2
Alma-Ata (Kazakhstan)
1
Asia, Central
1
Astrakhanʹ (Russia)
1
Bangladesh
1
Belgium
1
Bolivia
1
Bucharest (Romania)
1
Bulgaria
1
Chad
1
Chongqing (China)
1
Developing countries
1
Dublin (Ireland)
1
Estonia
1
Gabon
1
Guangzhou Shi
1
Guangzhou Shi (China)
1
Hangzhou (China)
1
Hankou (Wuhan, China)
1
Hanoi (Vietnam)
1
Homelʹ (Belarus)
1
Hongjiang Shi
1
Innsbruck (Austria)
1
Ireland
1
Jackson
1
Japan
1
Jawa Timur
1
more ...