Columbia subject headings:
Harvard subject headings:
Pirandello, Luigi, 1867-1936--Criticism and interpretation.
Pirandello, Luigi, 1867-1936--Influence.
Pirandello, Luigi, 1867-1936--Sources.
Princeton subject headings:
Pirandello, Luigi, 1867-1936--Criticism and interpretation.
Pirandello, Luigi, 1867-1936--Sources.