Columbia subject headings:
Illyrian antiquities--Congresses.
Illyrians--Congresses.
Harvard subject headings:
Balkan Peninsula--Antiquities--Congresses.
Balkan Peninsula--History--Congresses.
Illyria--History--Congresses.
Illyrian antiquities--Congresses.
Princeton subject headings:
Illyrian antiquities--Congresses.
Illyrians--Congresses.