Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--Languages--Congresses.
Balkan literature--History and criticism--Congresses.
Comparative literature--Congresses
Literature and society--Balkan Peninsula--Congresses.
Princeton subject headings:
Balkan Peninsula--Languages--Congresses.
Balkan literature--History and criticism--Congresses.
Comparative literature--Congresses.
Literature and society--Balkan Peninsula--Congresses.