Columbia subject headings:
Art criticism--Italy--History--20th century--Congresses.
Art--Expertising--Italy--History--20th century--Congresses.
Longhi, Roberto, 1890-1970--Congresses.
Harvard subject headings:
Art criticism--Italy--History--20th century--Congresses.
Art, Italian--Congresses.
Longhi, Roberto, 1890-1970--Criticism and interpretation--Congresses.
Princeton subject headings:
Art criticism--Italy--History--20th century--Congresses.
Art--Expertising--Italy--History--20th century--Congresses.
Longhi, Roberto, 1890-1970--Congresses.