Columbia subject headings:
Criticism, Textual.
Drama--20th century--History and criticism.
French drama--20th century--History and criticism.
Harvard subject headings:
Criticism, Textual.
Drama--20th century--History and criticism
Drama--Criticism, Textual.
French drama--20th century--History and criticism.
Theater.
Princeton subject headings:
Criticism, Textual.
Drama--20th century--History and criticism.
French drama--20th century--History and criticism.