Sonatas for viola/piano and viola alone

[For viola solo]: Op. 31, Nr. 4 (1924) (18:07) ; Op. 25, Nr. 1 (1922) (16:14) ; Sonate für Viola solo (1937) (15:54) ; Op. 11, Nr. 5 (1919) (21:50)

[For viola and piano]: Op. 11, Nr. 4 (1919) (17:16) ; Op. 25, Nr. 4 (1922) (14:09) ; Sonate für Viola und Piano (1939) (15:47).