Geographic Subject
Soviet Union
47
Russia (Federation)
39
Russian Far East
13
Siberia
6
Russia, Northern
4
Sakha
4
Bur︠i︡ati︠i︡a
3
Europe, Eastern
3
Siberia (Russia)
3
Bashkortostan
2
China
2
Communist countries
2
Russia
2
Ural Mountains Region
2
Alaska
1
Balkan Peninsula
1
Bur︠i︡ati︠i︡a (Russia)
1
Canada, Northern
1
Caucasus, Northern
1
Developing countries
1
Former Soviet republics
1
Irtysh River Region (Kazakhstan and Russia)
1
Latin America
1
Moscow
1
North Atlantic Ocean
1
Omsk
1
Perinʹska︠i︡a oblastʹ
1
Russian Far East (Russia)
1
Siberia, Western
1
Transbaikalia
1
Yugoslavia
1