Columbia subject headings:
Pontus--Antiquities.
Pottery, Greek--Pontus.
Harvard subject headings:
Black Sea Coast (Bulgaria)--Ethnic relations--History.
Black Sea Coast (Romania)--Ethnic relations--History.
Greeks--Bulgaria--Black Sea Coast--History--To 1500.
Greeks--Romania--Black Sea Coast--History--To 1500.
Princeton subject headings:
Black Sea Coast (Bulgaria)--Ethnic relations--History.
Black Sea Coast (Romania)--Ethnic relations--History.
Greeks--Bulgaria--Black Sea Coast--History--To 1500.
Greeks--Romania--Black Sea Coast--History--To 1500.