Columbia subject headings:
Art, Carolingian--Italy--Rome--Congresses.
Art, Italian--Italy--Rome--Congresses.
Rome (Italy)--Antiquities.
Harvard subject headings:
Art, Carolingian--Italy--Rome--Congresses.
Princeton subject headings:
Art, Carolingian--Italy--Rome--Congresses.
Art, Italian--Italy--Rome--Congresses.
Art, Medieval--Italy--Rome--Congresses.
Rome (Italy)--Antiquities--Congresses.