OC 24/4-5 Handwritten lettercard from Moriz Violin to Heinrich Schenker, dated August 3, 1921

Violin expresses his awe concerning the first issue of Der Tonwille, and declares himself ready to offer his services in making Schenker's work better understood.

Diary entry by Schenker for 7 August 1921

Diary entry by Schenker for 30 December 1923