| 1928 | Serenade for String Orchestra, op. 1 | 已确认 | 10' |
| 1931 | Overture to The School for Scandal, op. 5 | 已确认 | 8' |
| 1933 | Music for a Scene from Shelley, op. 7 | 待定 | 8' |
| 1936 | Symphony No. 1 in One Movement, op. 9 | 已确认 | 20' |
| 1938 | Adagio for Strings, op. 11 | 已确认 | 8' |
| 1938 | First Essay for Orchestra, op. 12 | 已确认 | 8' |
| 1939 | Violin Concerto, op. 14 | 已确认 | 24' |
| 1942 | Second Essay for Orchestra, op. 17 | 已确认 | 10' |
| 1943 | Commando March (orchestral version) | 已确认 | 4' |
| 1944 | Capricorn Concerto, op. 21 | 已确认 | 14' |
| 1944 | Symphony No. 2, op. 19 | 已确认 | 26' |
| 1945 | Cello Concerto, op. 22 | 已确认 | 28' |
| 1945 | Horizon | 已确认 | 5' |
| 1947 | Knoxville: Summer of 1915, op. 24 | 已确认 | 16' |
| 1947 | Medea — Cave of the Heart (complete ballet) | 已确认 | 29' |
| 1947 | Medea: Suite for Orchestra, op. 23 | 待定 | 23' |
| 1952 | Souvenirs (Ballet Suite), op. 28 | 待定 | 19' |
| 1954 | Prayers of Kierkegaard, op. 30 · 合唱 | 待定 | 18' |
| 1955 | Medea's Meditation and Dance of Vengeance, op. 23a | 已确认 | 13' |
| 1958 | Intermezzo from Vanessa | 待定 | 4' |
| 1958 | Vanessa, op. 32 · 歌剧 · 合唱 | 已确认 | 130' |
| 1959 | A Hand of Bridge, op. 35 · 歌剧 | 待定 | 9' |
| 1960 | Die Natali — Chorale Preludes for Christmas, op. 37 | 待定 | 16' |
| 1960 | Toccata Festiva, op. 36 | 待定 | 14' |
| 1961 | Chorale Prelude on Silent Night (from Die Natali) | 已确认 | 2' |
| 1962 | Andromache's Farewell, op. 39 | 待定 | 12' |
| 1962 | Piano Concerto, op. 38 | 已确认 | 26' |
| 1963 | Night Flight, op. 19a | 待定 | 8' |
| 1966 | Antony and Cleopatra, op. 40 (complete opera) · 歌剧 · 合唱 | 已确认 | 120' |
| 1966 | Antony and Cleopatra: Two Scenes | 待定 | 16' |
| 1971 | Fadograph of a Yestern Scene, op. 44 | 待定 | 7' |
| 1971 | The Lovers, op. 43 · 合唱 | 待定 | 31' |
| 1978 | Canzonetta for Oboe and String Orchestra, op. 48 | 已确认 | 8' |
| 1978 | Third Essay for Orchestra, op. 47 | 待定 | 14' |