Columbia subject headings:
Pirandello, Luigi, 1867-1936--Bibliography.
Pirandello, Luigi, 1867-1936--Criticism and interpretation.
Pirandello, Luigi, 1867-1936--Stage history.
Harvard subject headings:
Pirandello, Luigi, 1867-1936--Bibliography.
Pirandello, Luigi, 1867-1936--Criticism and interpretation.
Pirandello, Luigi, 1867-1936--Stage history.
Princeton subject headings:
Pirandello, Luigi, 1867-1936--Handbooks, manuals, etc.
Pirandello, Luigi, 1867-1936--Stage history.