Columbia subject headings:
Harvard subject headings:
Mexican drama--20th century--History and criticism.
Pirandello, Luigi, 1867-1936--Influence.
Villaurrutia, Xavier, 1903-1950--Criticism and interpretation.
Princeton subject headings:
Pirandello, Luigi, 1867-1936--Influence.
Villaurrutia, Xavier, 1903-1950--Criticism and interpretation.
Villaurrutia, Xavier, 1903-1950--Sources.