Columbia subject headings:
Balkan Peninsula--Politics and government--1989-
Harvard subject headings:
Balkan Peninsula--Foreign relations--Austria.
Balkan Peninsula--History.
Balkan Peninsula--Politics and government.
Kosovo (Republic)--History.
Sarajevo (Bosnia and Herzegovina)--History.
Princeton subject headings:
Balkan Peninsula--History--20th century.
Balkan Peninsula--Politics and government--1989-