Columbia subject headings:
Brecht, Bertolt, 1898-1956--Aesthetics.
Brecht, Bertolt, 1898-1956--Political and social views.
Harvard subject headings:
Brecht, Bertolt, 1898-1956--Aesthetics.
Brecht, Bertolt, 1898-1956--Political and social views.
Princeton subject headings:
Brecht, Bertolt, 1898-1956--Aesthetics.
Brecht, Bertolt, 1898-1956--Political and social views.