Columbia subject headings:
Harvard subject headings:
Archaeology and religion--Black Sea Coast--Congresses.
Black Sea Coast--Antiquities--Congresses.
Black Sea Coast--Religion--History--Congresses.
Black Sea Region--Antiquities--Congresses.
Black Sea Region--Religion--Congresses.
Princeton subject headings:
Archaeology and religion--Black Sea Coast--Congresses.
Black Sea Coast--Antiquities--Congresses.
Black Sea Coast--Religion--History--Congresses.