Columbia subject headings:
Harvard subject headings:
Brecht, Bertolt, 1898-1956--Aesthetics.
Brecht, Bertolt, 1898-1956--Knowledge--Performing arts.
Theater--History--20th century.
Princeton subject headings:
Brecht, Bertolt, 1898-1956--Aesthetics.
Brecht, Bertolt, 1898-1956--Knowledge--Performing arts.
Theater--History--20th century.