- Europe, Eastern--Ethnic relations--Political aspects (2)
- Europe, Eastern--Politics and government--1945-1989 (1)
- Europe, Eastern--Politics and government--20th century (1)
- Forced migration--Europe, Eastern (1)
- Middle East--Ethnic relations--Political aspects (1)
- Middle East--Politics and government--1914-1945 (1)
- Nationalism--Europe, Eastern (1)
- Nationalism--Middle East (1)
- Population transfers--Germans (1)
- Population transfers--Ukrainians (1)