Sonata, op.18, for violin and piano (1927); Piano Sonata n.3, op.31 (1934); Lentetover (Magic of Spring), op.176, dor piano (1977); Gaudeamus & Meditatio, op.8, for violin and piano (ca.1923); Nocturno "De vertorte Blomme", op.4, for piano (1919); Valse caprice, op.13, for piano (1926); Valse-Omproptu polytonale, sine opus, for piano (1931); Etudes, op.55/1 & 2 (1947 & 1954)
