1. Arthur Wenk's book Claude Debussy and Twentieth-Century Music (Boston: Twayne Publishers, 1983), 1-19Wenk1Claude Debussy and Twentieth Century Music1983
2. Pierre Boulez,Relevis d'apprenti, ed. Paul Thivenin (Paris: Seuil, 1966), 336BoulezPaul Thivenin336Relevis d'apprenti
3. Pierre Boulez, Notes to CBS Record 32 11 0056, quoted in Glenn Wat-kins, Soundings (New York: Schirmer, 1988), 75Boulez75Notes to CBS Record 32 11 00561988
4. Franqois Lesure, ed. Claude Debussy: Monsieur Croche et autres dcrits(Paris: Gallimard, 1971), 45Lesure45Claude Debussy: Monsieur Croche et autres dcrits1971