Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--Politics and government--1989-
Balkan Peninsula--Relations.
Nationalism--Balkan Peninsula
Orthodox Eastern Church--Balkan Peninsula--Influence.
Princeton subject headings:
Balkan Peninsula--Politics and government--1989-
Balkan Peninsula--Relations.
Nationalism--Balkan Peninsula.
Orthodox Eastern Church--Balkan Peninsula--Influence.