Columbia subject headings:
Harvard subject headings:
Brecht, Bertolt, 1898-1956--Aesthetics.
Brecht, Bertolt, 1898-1956--Influence.
Drama--20th century--History and criticism
Princeton subject headings:
Brecht, Bertolt, 1898-1956--Aesthetics.
Brecht, Bertolt, 1898-1956--Influence.
Drama--20th century--History and criticism.