Columbia subject headings:
Venice (Italy)--History--697-1508.
Venice (Italy)--History--To 697.
Harvard subject headings:
Venice (Italy)--History--697-1508--Early works to 1800.
Venice (Italy)--History--697-1508.
Venice (Italy)--History--To 697--Early works to 1800.
Venice (Italy)--History--To 697.
Princeton subject headings:
Venice (Italy)--History--697-1508.
Venice (Italy)--History--To 697.