Columbia subject headings:
Harvard subject headings:
Adriatic Sea Region--Antiquities--Congresses.
Adriatic Sea Region--Civilization--Congresses.
Aegean Sea Region--Antiquities--Congresses.
Aegean Sea Region--Civilization--Congresses.
Princeton subject headings:
Adriatic Sea Region--Antiquities--Congresses.
Adriatic Sea Region--Civilization--Congresses.
Aegean Sea Region--Antiquities--Congresses.
Aegean Sea Region--Civilization--Congresses.