Columbia subject headings:
Harvard subject headings:
Pirandello, Luigi, 1867-1936--Criticism and interpretation--Congresses.
Princeton subject headings:
European literature--19th century--History and criticism--Congresses.
European literature--20th century--History and criticism--Congresses.
Italian literature--19th century--History and criticism--Congresses.
Italian literature--20th century--History and criticism--Congresses.
Modernism (Christian theology)--In literature--Congresses.
Pirandello, Luigi, 1867-1936--Criticism and interpretation--Congresses.
Sicily (Italy)--Social life and customs--19th century--Congresses.
Sicily (Italy)--Social life and customs--20th century--Congresses.