Columbia subject headings:
Harvard subject headings:
Globalization--History
Middle Ages--Economic conditions.
Venice (Italy)--Economic conditions--To 1797.
Venice (Italy)--History--697-1508.
Venice (Italy)--Politics and government--697-1508.
Princeton subject headings:
Commerce--History--Medieval, 500-1500.
Europe--Commerce--History.
Europe--Economic conditions--To 1492.