Geographic Subject
Soviet Union
445
Russia (Federation)
15
Hungary
4
Russia
4
4.935
2
Bulgaria
2
Communist countries
2
Czechoslovakia
2
France
2
URSS
2
4.280
1
6.140
1
Africa, Sub-Saharan
1
Asia, Central
1
Caucasus, Northern
1
China
1
Developing countries
1
Egypt
1
Germany
1
Germany (East)
1
Great Britain
1
Italy
1
Poland
1
Siberia (Russia)
1
Soviet Union, Western
1
Timan Ridge Region
1
Timano-Pechorskiĭ territorialʹno-proizvodstvennyĭ kompleks (Russia)
1
United States
1
Ural Mountains Region
1
Ural Mountains Region (Russia)
1
Volga River Region
1
Volga River Region (Russia)
1
Égypte
1