Columbia subject headings:
Florence (Italy)--Civilization.
Florence (Italy)--Relations.
Rome (Italy)--Civilization.
Rome (Italy)--Relations.
Harvard subject headings:
Art, Italian--Italy--Florence--Congresses.
Art, Italian--Italy--Rome--Congresses.
Florence (Italy)--Civilization--Congresses.
Rome (Italy)--Civilization--Congresses.
Princeton subject headings:
Florence (Italy)--Civilization.
Florence (Italy)--Relations.
Rome (Italy)--Civilization.
Rome (Italy)--Relations.