Columbia subject headings:
Balkan Peninsula--History--Periodicals.
Balkan Peninsula--Periodicals.
Balkan Peninsula--Politics and government--1989---Periodicals.
Harvard subject headings:
Balkan Peninsula--History--Periodicals.
Balkan Peninsula--Periodicals.
Balkan Peninsula--Politics and government--1989---Periodicals.
Princeton subject headings:
Balkan Peninsula--Economic conditions--Periodicals.
Balkan Peninsula--Politics and government--1989---Periodicals.
Balkan Peninsula--Social conditions--Periodicals.