Columbia subject headings:
Brecht, Bertolt, 1898-1956--Criticism and interpretation.
Music--20th century--History and criticism.
Stravinsky, Igor, 1882-1971--Criticism and interpretation.
Weill, Kurt, 1900-1950--Criticism and interpretation.
Harvard subject headings:
Brecht, Bertolt, 1898-1956
Stravinsky, Igor, 1882-1971
Weill, Kurt, 1900-1950
Princeton subject headings:
Aesthetics, Modern--20th century.
Brecht, Bertolt, 1898-1956.
Music--Philosophy and aesthetics.
Stravinsky, Igor, 1882-1971.
Weill, Kurt, 1900-1950.