Footnotes

¹ Schenker was probably consulting Alfred Kalischer's five-volume Beethovens sämtliche Briefe (Berlin & Leipzig: Schuster & Löffler, 1906–8), in Theodor Frimmel's revised edition of 1909–11, which is cited directly in Der Tonwille 6 (1923), pp. 39–41, 42–3 (Eng. trans., vol. 2, pp. 69–71, 72–4).

² Paul Bekker, Beethoven, 2^nd edn (Berlin: Schuster & Löffler, 1912). This book is known to have been in Schenker's personal library at the time of his death: see Musik und Theater enthaltend die Bibliothek des Herrn † D^r. Heinrich Schenker, Wien (Vienna: Antiquariat Heinrich Hinterberger, n.d.), item 35.