Columbia subject headings:
Harvard subject headings:
Corfu Island (Greece)--Civilization.
Corfu Island (Greece)--Economic conditions.
Corfu Island (Greece)--History.
Epirus (Greece and Albania)--Civilization.
Epirus (Greece and Albania)--Economic conditions.
Epirus (Greece and Albania)--History.
Princeton subject headings:
Commerce--History--Medieval, 500-1500--Sources.
Corfu Island (Greece)--Civilization.
Corfu Island (Greece)--Economic conditions.
Corfu Island (Greece)--History--To 1500.
Corfu Island (Greece)--History.
Epirus (Greece and Albania)--Civilization.
Epirus (Greece and Albania)--Economic conditions.
Epirus (Greece and Albania)--History.