Columbia subject headings:
Pirandello, Luigi, 1867-1936--Criticism and interpretation.
Harvard subject headings:
Animals in literature
Characters and characteristics in literature.
Pirandello, Luigi, 1867-1936--Criticism and interpretation.
Symbolism in literature.
Princeton subject headings:
Animals in literature.
Characters and characteristics in literature.
Pirandello, Luigi, 1867-1936--Criticism and interpretation.
Symbolism in literature.