Refion
Europe, Eastern
Europe, Central
4
Estland
2
Former Soviet republics
2
Bulgarien
1
Communist countries
1
East Asia
1
Estonia
1
Europe
1
Graz
1
Korea (South)
1
Montenegro
1
Ostasien
1
Osteuropa
1
Polen
1
Russland
1
Serbien
1
Slowakei
1
Social conditions
1
Soviet Union
1
Sowjetunion
1
Tartu
1
Tschechien
1
Tschechoslowakei
1
Wilna
1