Columbia subject headings:
Belgians--Italy--Venice--History--Sources.
Merchants, Foreign--Italy--Venice--History--Sources.
Venice (Italy)--Commerce--History--Sources.
Harvard subject headings:
Belgians--Italy--Venice--History--Sources.
Merchants, Foreign--Italy--Venice--History--Sources.
Venice (Italy)--Commerce--History--Sources.
Princeton subject headings:
Belgians--Italy--Venice--History--Sources.
Merchants, Foreign--Italy--Venice--History--Sources.
Venice (Italy)--Commerce--History--Sources.