Columbia subject headings:
Sculptors--Employment--Italy--Venice.
Stonemasonry--Italy--Venice--History.
Stonemasons--Employment--Italy--Venice.
Stonemasons--Italy--Venice--Biography.
Venice (Italy)--Economic conditions.
Harvard subject headings:
Sculptors--Employment--Italy--Venice.
Stonemasonry--Italy--Venice--History--15th century.
Stonemasonry--Italy--Venice--History.
Stonemasons--Employment--Italy--Venice.
Stonemasons--Italy--Venice--Biography.
Venice (Italy)--Economic conditions.
Princeton subject headings:
Stonemasonry--Italy--Venice--History--15th century.
Stonemasons--Employment--Italy--Venice.
Stonemasons--Italy--Venice--Biography.
Venice (Italy)--Economic conditions--History.