OJ 89/6, [10] Typewritten letter (carbon copy), from Hoboken to Schenker, dated August 5, 1933

Hoboken is gratified by Schenker's praise of his song compositions; — He will continue his Chopin projects someday, but is preoccupied with the worsening European political situation; — He comments on Kleiber, Max Graf, on Goos's estimate of Schenker's importance, and returns newspaper clippings that Schenker has sent him with comments.

OJ 6/8, [28] Handwritten letter from Schenker to Violin, dated December 1, 1933

Schenker is lending Violin a copy of something amusing [a composition by Josef Knettel] sent to him by Reinhard Oppel. He notes that Hans Wolf wants to leave Vienna early for the holidays, but Schenker will insist on being paid in full for the lessons scheduled in December.

OJ 12/6, [31] Handwritten letter from Jonas to Schenker, dated April 15, 1934

Jonas acknowledges three communications; Hoboken has increased his subvention for Jonas's book; Furtwängler has agreed to write a supporting letter. — Jonas proposes a series of individual critical introductions to most frequently performed piano works and concertos.

OJ 5/18, 41 Handwritten letter from Schenker to Jonas, dated April 23, 1934

Free Composition is completed. Schenker is pleased that Hoboken has come round; — he gives Weisse's address; — Schenker has ordered five copies of Jonas's book; — he reports that Salzer has completed a new book; — questions Jonas about his new plan, but welcomes it; — Goos may not realize that Schenker is a Jew.

Diary entry by Schenker for 4 December 1931

Diary entry by Schenker for 7 December 1931

Diary entry by Schenker for 12 December 1931

Diary entry by Schenker for 14 December 1931

Diary entry by Schenker for 23 December 1931

Diary entry by Schenker for 13 July 1933

Diary entry by Schenker for 18 July 1933

Diary entry by Schenker for 31 July 1933

Diary entry by Schenker for 4 August 1933

Diary entry by Schenker for 21 August 1933

Diary entry by Schenker for 28 November 1933

Diary entry by Schenker for 1 December 1933

Diary entry by Schenker for 10 January 1934