Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--Ethnic relations
Balkan Peninsula--History
Linguistic minorities--Balkan Peninsula.
Minorities--Balkan Peninsula.
Muslims--Balkan Peninsula.
Princeton subject headings:
Balkan Peninsula--Ethnic relations.
Balkan Peninsula--History.
Linguistic minorities--Balkan Peninsula.
Minorities--Balkan Peninsula.
Muslims--Balkan Peninsula.