Columbia subject headings:
Harvard subject headings:
Art, Italian--Italy--Florence--Congresses.
Art, Medieval--Italy--Florence--Congresses.
Florence (Italy)--Church history--Congresses.
Florence (Italy)--History--To 1421--Congresses.
Princeton subject headings:
Art, Italian--Italy--Florence--Congresses.
Art, Medieval--Italy--Florence--Congresses.
Florence (Italy)--Church history--Congresses.
Florence (Italy)--History--To 1421--Congresses.