Columbia subject headings:
Art--Conservation and restoration--Italy--Congresses.
Cavalcaselle, G. B. (Giovanni Battista), 1819-1897--Congresses.
Harvard subject headings:
Art--Conservation and restoration--Italy--Congresses.
Cavalcaselle, G. B. (Giovanni Battista), 1819-1897--Congresses.
Cavalcaselle, G. B. (Giovanni Battista), 1820-1897--Congresses.
Princeton subject headings:
Art--Conservation and restoration--Italy--Congresses.
Cavalcaselle, G. B. (Giovanni Battista), 1819-1897--Congresses.
Painting, Italian--Expertising--Congresses.
Painting, Renaissance--Italy--Expertising--Congresses.