Columbia subject headings:
Balkan Peninsula--History.
Names, Geographical--Balkan Peninsula.
Onomastics--Balkan Peninsula.
Harvard subject headings:
Balkan Peninsula--History.
Names, Geographical--Balkan Peninsula.
Onomastics--Balkan Peninsula.
Princeton subject headings:
Balkan Peninsula--History.
Names, Geographical--Balkan Peninsula.
Onomastics--Balkan Peninsula.