9. NMA, Fragmente, Fr 17821; NMA, Ser. VIII, Werkgr. 23: Sonaten und Variationen für Klavier und Violine, vol. 2, ed. Eduard Reeser (Kassel: Bärenreiter, 1965, rev. 1985), 181–183. The work in Stadler’s completion also has its place in the NMA, Ser. IX, Werkgruppe 27, vol. 2: 159–165. The controversy is described on xxv–xxvi.