OJ 11/29, [1] Handwritten letter from Grunsky to Schenker, dated May 3, 1908

Grunsky thanks Schenker for revealing his identity as author of Harmonielehre. — He asks Schenker's views on Bruckner, and on his own views of musical form.

WSLB 5 Handwritten letter from Schenker to Hertzka (UE), dated May 21, 1908

Schenker reports on progress with proofs and makes a suggestion.

WSLB 6 Handwritten letter from Schenker to Hertzka (UE), dated May 27, 1908

Because of an error in typesetting, Schenker needs to retain to two gatherings of proofs.

Diary entry by Schenker for 1 May 1908