Columbia subject headings:
Avant-garde (Aesthetics)--Italy--History--19th century--Congresses.
Avant-garde (Aesthetics)--Italy--History--20th century--Congresses.
Pirandello, Luigi, 1867-1936--Criticism and interpretation--Congresses.
Theater--Italy--History--19th century--Congresses.
Theater--Italy--History--20th century--Congresses.
Harvard subject headings:
Avant-garde (Aesthetics)--Congresses.
Pirandello, Luigi, 1867-1936--Congresses.
Princeton subject headings:
Avant-garde (Aesthetics)--Italy--History--19th century--Congresses.
Avant-garde (Aesthetics)--Italy--History--20th century--Congresses.
Pirandello, Luigi, 1867-1936--Criticism and interpretation--Congresses.
Theater--Italy--History--19th century--Congresses.
Theater--Italy--History--20th century--Congresses.