附註:Includes works for 1 and 2 pianos, and piano, 4 hands.
Prefatory and critical notes in German; includes a note on the collected edition in German and English.
Bibliography: p. xiv.
Erste Sonate fur Klavier (1936) -- Zweite Sonate fur Klavier (1936) -- Dritte Sonate fur Klavier (1936) -- Sonate fur Klavier vierhandig (1938) -- Sonata for two pianos, four hands (1942) -- Ludus tonalis (1942).
