OJ 5/18, 29 Handwritten postcard from Schenker to Jonas, dated October 7, 1933

Schenker is forwarding issues [of the periodical containing Jonas's article] to Hoboken.

OJ 89/9, [2] Handwritten letter from Schenker to Hoboken, undated [October 7, 1933]

Schenker acknowledges receipt of money transfer; — alludes to Jonas's forthcoming book and two other books now in progress about his work; — refers to a review of his Oktaven u. Quinten that misunderstands the nature of Brahms's collection.

Diary entry by Schenker for 18 May 1899

Diary entry by Schenker for 16 March 1919

Diary entry by Schenker for 17 April 1919

Diary entry by Schenker for 25 May 1919

Diary entry by Schenker for 6 October 1933