OJ 14/44, [1] Handwritten letter from the Vereinigung Wiener Musikreferenten (Theodor Antropp and Paul Stauber) to Schenker, dated September 30, 1910

The Association invites Schenker to give a lecture series on Beethoven's Ninth Symphony.

OC 52/425 Typewritten letter from UE to Schenker, dated October 14, 1910

UE is transferring Schenker's second honorarium for the Chromatic Fantasy & Fugue edition, and enclose the publisher's blurb for the monograph Beethoven's Ninth Symphony.

OJ 13/37, 12 Handwritten letter from Ernst Rudorff to Schenker, dated October 20, 1910

Rudorff tells Schenker of Heinemann's book against Wagner; — Simrock is sending Schenker Rudorff's Third Symphony.

OC 52/431 Typewritten contract (carbon copy) between UE and Schenker for Beethovens neunte Sinfonie, dated November 6, 1910

Contract for Schenker's monograph Beethovens neunte Sinfonie

WSLB 77 Handwritten letter from Schenker to Hertzka (UE), dated June 21, 1911

Schenker asks if he will receive galley-proofs of Beethovens neunte Sinfonie in time to take on vacation, and inquires as to his proposal for UE to publish the score of the Ninth Symphony with original markings. — No summons to interview with Academy President von Wiener, so he fears the worst for the planned Bach-Beethoven edition project. — Tirade against von Wiener and the Academy's teachers.

WSLB 83 Handwritten letter from Schenker to Hertzka (UE), dated October 28, 1911

Schenker hotly contests Hertzka's allegation that he delivered the material for Beethovens neunte Sinfonie late, and details the pre-history of the project.

OJ 12/9, [5] Handwritten letter from Karpath to Schenker, dated March 3, 1912

Karpath expresses approval of Schenker's Kontrapunkt I and Moriz Violin's book on the continuo. —He thinks highly of Violin and of Hans Weisse as a composer.

Diary entry by Schenker for 1 June 1910