| Op. 4 | Adam and Eve (1961) for Piano |
| Op. 18 | Sonata No. 1 for Violin and Piano (1963, rev. 2004) for Violin and Piano |
| Op. 22 | Psalm XXIII (1963) for Voice and Piano |
| Op. 25 | Piano Sonata No. 1 (1963) for Piano |
| Op. 30 | Piano Concerto No. 2 (1965) for Piano and Orchestra |
| Op. 35 | Piano Quintet No. 1 (1967) for Piano and String Quartet |
| Op. 39 | Concertino (1968, rev. 1988) for Harp, Harpsichord, Celesta, and Piano |
| Op. 41 | Sonata No. 1 for Cello and Piano (1968, rev. 1977) for Cello and Piano |
| Op. 46 | Christmas Frescoes (1969, rev. 1996) for Piano and Five Percussionists |
| Op. 46a | Aria (1969/96) for Piano |
| Op. 48 | Piano Sonata No. 2 (1970) for Piano |
| Op. 49 | And He Sent Forth a Dove (1971) for Piano |
| Op. 53 | Wedding March (1971) for Piano |
| Op. 54 | Sonata for Oboe and Piano (1972) for Oboe and Piano |
| Op. 54a | Sonata No. 2 for Violin and Piano (1972) for Violin and Piano |
| Op. 55 | The Leaving Light (1972) for Voice and Piano |
| Op. 58 | Three Elegiac Songs (1973) for Voice and Piano |
| Op. 69 | Piano Sonata No. 3, “Sonata Eterea” (1978) for Piano |
| Op. 71 | Sonata for Horn and Piano (1979) for Horn and Piano |
| Op. 73 | Nightstone (1979) for Voice and Piano |
| Op. 77 | Minstrel to an Unquiet Lady (1982) for Tenor and Piano |
| Op. 79 | Of Numbers and of Bells (1983) for Two Pianos |
| Op. 87 | Transformations (1989) for Trumpet, Piano, and Strings |
| Op. 89 | Sonata No. 2 for Cello and Piano, “La Divina Commedia” (1990) for Cello and Piano |
| Op. 90 | Songs of Lightness and Angels (1990) for Soprano, Horn, and Piano |
| Op. 96 | Poseidon (1993) for Voice and Piano |
| Op. 99 | Etz Chaim (1993) for Piano |
| Op. 102a | Bontsche Dances (1994/2008) for Piano |
| Op. 103 | Piano Quintet No. 2 (1995) for Piano and String Quartet |
| Op. 106 | Sonata for Trombone and Piano (1996) for Trombone and Piano |
| Op. 110 | Serpentine (1999) for Clarinet and Piano |
| Op. 111 | To the Keen Stars (1999) for Voice and Piano |
| Op. 116 | Strictly Personals (2001) for Soprano, Baritone, and String Quartet (or Piano) |
| Op. 120 | Five (2005) for Voice and Piano |
| Op. 121 | Sonata for Bassoon and Piano (2006) for Bassoon and Piano |