Columbia subject headings:
Art, Italian--History--Congresses.
Art--Conservation and restoration--Italy--Congresses.
Art--Italy--History--Congresses.
Ferrari, Maria Luisa.
Harvard subject headings:
Art, Italian--Congresses.
Art--Conservation and restoration--Italy--Congresses.
Art--Italy--Congresses.
Princeton subject headings:
Art, Italian--Congresses.
Art--Conservation and restoration--Italy--Congresses.
Art--Italy--Congresses.