Columbia subject headings:
Brecht, Bertolt, 1898-1956--Musical settings--History and criticism.
Brecht, Bertolt, 1898-1956.
Music and literature.
Music--Germany--20th century--History and criticism.
Harvard subject headings:
Brecht, Bertolt, 1898-1956
Librettists--Biography.
Princeton subject headings:
Brecht, Bertolt, 1898-1956.
Librettists--Biography.