Subject Region
Soviet Union
43
Russia
8
Germany
3
Russia (Federation)
3
Saint Petersburg (Russia)
3
Great Britain
2
Ukraine
2
United States
2
Caucasus, South
1
Chile
1
France
1
Georgia (Republic)
1
Moscow (Russia)
1
Paris
1
Paris (France)
1
Saint Petersburg
1
Siberia (Russia)
1
Spain
1
Volga River Region
1
Volga River Region (Russia)
1