C
- Charles Ives (3)
- Civitas Club (1)
- Claire Reis (1889-1978) (2)
- Clarinet concerto [sketches] (1)
- Colonists at Yaddo, 1932 (1)
- The Composer as Conductor (3)
- Composers in Russia (Four weeks in the Soviet Union) (2)
- The Composers of South America (1)
- Composing for Something Wild (1)
- Compositional Phases (on my three piano works) (1)
- Concerto for piano and orchestra [sketch-score] (1)
- Concerto for piano and orchestra [sketches] (1)
- Connotations for orchestra [open score sketch] (1)
- Connotations for orchestra [row charts] (1)
- Cousin Michael (2)