Columbia subject headings:
Harvard subject headings:
Germany--Commerce--Italy--Venice--History.
Glassware--Italy--Venice.
Venice (Italy)--Antiquities.
Venice (Italy)--Commerce--Germany--History.
Princeton subject headings:
Excavations (Archaeology)--Italy--Venice.
Glass manufacture--Italy--Venice--History.
Glass trade--Italy--Venice--History.
Glassware, Medieval--Italy--Venice.
Venice (Italy)--Antiquities.