Lucedia, A Legend from Pagan Times. Tragical Opera in a Prelude and three Acts (1931-32). (Vocal score by Otto Lindemann with German & Italian libretto / The full opera score has been lost during the turmoil of the 2nd World War.)
Andante et Scherzo pour Violoncelle et Orchestre ou Piano. Reduction pour Violoncelle et Piano par F. Hacks (Piano performance score & Solo Violoncello)