Columbia subject headings:
Harvard subject headings:
Black Sea Region--Antiquities.
Black Sea Region--Commerce--History.
Black Sea Region--Economic conditions.
Economic history--To 500
Princeton subject headings:
Aegean Sea Region--Commerce--History.
Black Sea Region--Commerce--History.
Pottery industry--Aegean Sea Region--History.
Pottery industry--Black Sea Region--History.
Shipping--Aegean Sea Region--History.
Shipping--Black Sea Region--History.