- Sotheby's; Novack, Saul; Schacter, Carl
Fine music and continental manuscripts: the collection of the late Dr Felix Salzer and Mrs Hedwig Salzer
Sotheby's, London, 1990, Wraps, , , Fine
53 lots. Including the autograph manuscript of the first movement of Beethoven's cello sonata in A major, op. 69; L. van Beethoven, autograph letter to Bettina von Arnim; signed first edition of Fidelio; W.A. Mozart, autograph manuscript of the rondo for piano, K 494; F. Schubert, autograph letter to Franz von Schober.