OJ 11/54, [40] Typewritten letter from Hoboken to Schenker, dated July 29, 1932

Hoboken comments on some contemporary music; — he comments adversely on the new edition by Edouard Ganche of Chopin's works; — he may visit the Schenkers and bring Eva Boy with him.

OJ 89/5, [4] Handwritten postcard from Schenker to Hoboken, dated August 5, 1932

The Ganche edition is much worse than Hoboken has said. Reports on Vrieslander publication.

OJ 89/7, [5] Handwritten letter from Schenker to Hoboken, dated February 25, 1934

Schenker comments on Eva van Hoboken's visit [of February 18]; — Encloses a collection of articles, praises Hoboken's opposition to Ganche, and comments sardonically about Schering, Kretzschmar, and Riemann.

OJ 89/7, [7] Typewritten letter (carbon copy) from Hoboken to Schenker, dated March 15, 1934

Hoboken outlines plans to expand publicity for the Photogram Archive. — Reports re his work on Chopin's Scherzo Op. 54, which he will bring to his April 3 lesson. — Refers to the invitation to Schenker to contribute to the journal of the Reichsmusikkammer.

Diary entry by Schenker for 22 March 1926

Diary entry by Schenker for 10 February 1932

Diary entry by Schenker for 5 August 1932

Diary entry by Schenker for 7 August 1932

Diary entry by Schenker for 12 August 1932

Diary entry by Schenker for 25 October 1932

Diary entry by Schenker for 25 February 1934