Columbia subject headings:
Balkan Peninsula--Foreign relations--European Union countries.
Balkan Peninsula--Politics and government--1989-
Ethnic conflict--Balkan Peninsula.
European Union countries--Foreign relations--Balkan Peninsula.
European Union--Influence.
European federation.
Minorities--Civil rights--Balkan Peninsula.
Nation-building--Balkan Peninsula.
Harvard subject headings:
Balkan Peninsula--Foreign relations--European Union countries.
European Union countries--Foreign relations--Balkan Peninsula.
European Union--Balkan Peninsula--Influence.
European federation.
Minorities--Civil rights--Balkan Peninsula.
Nation-building--Balkan Peninsula.
Princeton subject headings:
Balkan Peninsula--Foreign relations--European Union countries.
Balkan Peninsula--Politics and government--1989-
Ethnic conflict--Balkan Peninsula.
European Union countries--Foreign relations--Balkan Peninsula.
European Union--Influence.
European federation.
Minorities--Civil rights--Balkan Peninsula.
Nation-building--Balkan Peninsula.