Columbia subject headings:
Adamov, Arthur--Criticism and interpretation.
Brecht, Bertolt, 1898-1956--Criticism and interpretation.
Theater--History--20th century.
Harvard subject headings:
Adamov, Arthur--Criticism and interpretation.
Brecht, Bertolt, 1898-1956--Criticism and interpretation.
Theater--History--20th century.
Princeton subject headings:
Adamov, Arthur--Criticism and interpretation.
Brecht, Bertolt, 1898-1956--Criticism and interpretation.
Theater--History--20th century.