OJ 9/34, [12] Handwritten letter from Cube to Schenker, dated May 24, 1928

Cube acknowledges receipt of the Hammer engravings and reports on the planned Scheuermann exhibition; reports on a forthcoming lecture and seminar, and the growth of his student numbers.

OJ 5/7a, [15] (formerly vC 15) Handwritten postcard from Schenker to Cube, dated May 28, 1928

Schenker sends Cube an article written for the Beethoven centenary festival and suggests a "connection" between Bonn and Düsseldorf; refers to American professors teaching the Urlinie in the USA; outlines summer plans.

OJ 9/34, [13] Handwritten letter from Cube to Schenker, dated July 6, 1928

Cube reports on Scheuermann exhibit, and consequent interest and sales, encloses associated newspaper article; also on recent lecturing and composition activity. He is unlikely to visit Schenker this year; recalls people at Galtür.