Columbia subject headings:
Epirus (Greece and Albania)--Antiquities--Congresses.
Epirus (Greece and Albania)--History--Congresses.
Illyria--Antiquities--Congresses.
Illyria--History--Congresses.
Harvard subject headings:
Epirus (Greece and Albania)--Antiquities--Congresses.
Epirus (Greece and Albania)--History--Congresses.
Illyria--Antiquities--Congresses.
Illyria--History--Congresses.
Princeton subject headings:
Epirus (Greece and Albania)--Antiquities--Congresses.
Epirus (Greece and Albania)--History--Congresses.
Illyria--Antiquities--Congresses.
Illyria--History--Congresses.