Columbia subject headings:
Church and state--Italy--Catholic Church.
Rome (Italy)--Civilization.
Rome (Italy)--Relations--Italy--Venice.
Venice (Italy)--Civilization.
Venice (Italy)--Relations--Italy--Rome.
Harvard subject headings:
Art, Italian--Italy--Venice
Catholic Church--Foreign relations--Italy--Venice.
Venice (Italy)--Foreign relations--Catholic Church.
Princeton subject headings:
Church and state--Italy--Catholic Church.
Rome (Italy)--Civilization.
Rome (Italy)--Relations--Italy--Venice.
Venice (Italy)--Civilization.
Venice (Italy)--Relations--Italy--Rome.