Columbia subject headings:
Brecht, Bertolt, 1898-1956--Criticism and interpretation.
Harvard subject headings:
Brecht, Bertolt, 1898-1956--Criticism and interpretation.
German poetry--20th century--History and criticism
Princeton subject headings:
Brecht, Bertolt, 1898-1956--Criticism and interpretation.
Brecht, Bertolt, 1898-1956--Poetic works.