Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--Ethnic relations.
Germans--Balkan Peninsula--Ethnic identity.
Germans--Balkan Peninsula--Social conditions.
Hungarians--Balkan Peninsula--Ethnic identity.
Hungarians--Balkan Peninsula--Social conditions.
Minorities--Political activity--Balkan Peninsula.
Princeton subject headings:
Balkan Peninsula--Ethnic relations.
Germans--Balkan Peninsula--Ethnic identity.
Germans--Balkan Peninsula--Social conditions.
Hungarians--Balkan Peninsula--Ethnic identity.
Hungarians--Balkan Peninsula--Social conditions.
Minorities--Political activity--Balkan Peninsula.