Columbia subject headings:
Balkan Peninsula--Description and travel.
Balkan Peninsula--Politics and government.
Russell, Alec, 1966---Travel--Balkan Peninsula.
Harvard subject headings:
Balkan Peninsula--Description and travel.
Balkan Peninsula--Politics and government.
Russell, Alec, 1966---Journeys--Balkan Peninsula.
Princeton subject headings:
Balkan Peninsula--Description and travel.
Balkan Peninsula--Politics and government.
Russell, Alec, 1966---Travel--Balkan Peninsula.