Columbia subject headings:
Architecture, Renaissance--Italy--Venice.
Piazza San Marco (Venice, Italy)
Plazas--Conservation and restoration--Italy--Venice.
Plazas--Italy--Venice--History--16th century.
Venice (Italy)--Buildings, structures, etc.
Harvard subject headings:
Piazza San Marco (Venice, Italy)
Venice (Italy)--Buildings, structures, etc.--Designs and plans.
Venice (Italy)--Geography.
Princeton subject headings:
Piazza San Marco (Venice, Italy)