Columbia subject headings:
Authors, French--20th century--Biography.
Composers--France--Biography.
Music--20th century--Philosophy and aesthetics.
Musicologists--France--Biography.
Schaeffer, Pierre, 1910-1995--Criticism and interpretation.
Schaeffer, Pierre, 1910-1995.
Harvard subject headings:
Music--Philosophy and aesthetics
Schaeffer, Pierre, 1910-1995
Princeton subject headings:
Music--Philosophy and aesthetics.
Schaeffer, Pierre, 1910-1995.