Boulez, Music and Philosophy: 27 (Music in the Twentieth Century, Series Number 27)

Experimental Music: Cage and Beyond: 9 (Music in the Twentieth Century, Series Number 9)

the Music of John Cage: 5 (Music in Twentieth Century, Series Number 5)

the Music of Conlon Nancarrow: 7 (Music in Twentieth Century, Series Number 7)

the Music of Toru Takemitsu: 14 (Music in Twentieth Century, Series Number 14)