| 1887 | Scherzo in C minor for orchestra (WoO) | 已确认 | 12' |
| 1888 | Cello Concerto in A minor, Op. posth. (WoO) | 已确认 | 25' |
| 1888 | Der Blumen Rache, WoO 1 (ballad for alto, female chorus and orchestra) · 合唱 | 已确认 | 20' |
| 1901 | Die Rose vom Liebesgarten (romantic opera in 2 acts with prologue and epilogue) · 歌剧 · 合唱 | 已确认 | 160' |
| 1905 | Das Käthchen von Heilbronn, Op. 17 — incidental music to Kleist's play (complete, Op. 17a–d) | 已确认 | 44' |
| 1905 | Das Käthchen von Heilbronn, Op. 17a — Overture | 已确认 | 14' |
| 1906 | Das Christ-Elflein, Op. 20 — Overture | 已确认 | 12' |
| 1906 | Das Christ-Elflein, Op. 20 (Spieloper in 2 acts) · 歌剧 · 合唱 | 已确认 | 120' |
| 1917 | Palestrina — Drei Vorspiele (Three Preludes) | 已确认 | 25' |
| 1917 | Palestrina (Musikalische Legende in 3 acts), WoO 17 · 歌剧 · 合唱 | 已确认 | 200' |
| 1921 | Von deutscher Seele, Op. 28 (romantic cantata after Eichendorff) · 合唱 | 已确认 | 90' |
| 1922 | Piano Concerto in E-flat major, Op. 31 | 已确认 | 40' |
| 1923 | Violin Concerto in B minor, Op. 34 | 已确认 | 35' |
| 1930 | Das dunkle Reich, Op. 38 (choral fantasy) · 合唱 | 已确认 | 37' |
| 1931 | Das Herz, Op. 39 (drama for music in 3 acts) · 歌剧 · 合唱 | 已确认 | 150' |
| 1932 | Symphony in C-sharp minor, Op. 36a | 已确认 | 30' |
| 1935 | Cello Concerto in G major, Op. 42 (in one movement) | 已确认 | 18' |
| 1937 | Duo for Violin, Cello and Small Orchestra, Op. 43 | 已确认 | 16' |
| 1939 | Elegie und Reigen for small orchestra, Op. 45 | 已确认 | 14' |
| 1939 | Kleine Sinfonie (Little Symphony) in G major, Op. 44 | 已确认 | 20' |
| 1940 | Symphony in C major, Op. 46 (three movements in one) | 已确认 | 20' |
| 1941 | Fons salutifer, Op. 48 (hymn for mixed chorus, orchestra and organ) · 合唱 | 已确认 | 10' |
| 1943 | Cello Concerto in A minor, Op. 52 | 已确认 | 25' |
| — | Die Heinzelmaennchen, op. 14 (The Imps) | 待定 | — |