Columbia subject headings:
Cao, Yu, 1910-1996--Criticism and interpretation.
Chinese drama--20th century--History and criticism.
Comparative literature--Chinese and Western.
Western plays--History and criticism.
Harvard subject headings:
Cao, Yu, 1910-1996--Criticism and interpretation.
Chinese drama--20th century--History and criticism
Comparative literature--Chinese and Western
Western plays--History and criticism.
Princeton subject headings: