Columbia subject headings:
Harvard subject headings:
Drama--Technique
French drama--20th century--History and criticism.
Historical drama, French--History and criticism.
Play within a play.
Theater--France--History--20th century.
Princeton subject headings:
Drama--Technique.
French drama--20th century--History and criticism.
Historical drama, French--History and criticism.
Play within a play.
Theater--France--History--20th century.