OJ 5/7a, [11] (formerly vC 11) Handwritten postcard from Schenker to Cube, dated September 7, 1927

Schenker acknowledges Cube's postcards; Cube will receive the appeal [for photostats of MSS].

OJ 9/34, [11] Handwritten letter from Cube to Schenker, dated April 24, 1928

Cube describes difficulties with his colleagues, loss of pupils, and reactions to his lecture; Scheuermann and Schmemann will put Schenker exhibits in their shop windows, items requested; inquires after Weisse journal plan.

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 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.

Diary entry by Schenker for 6 September 1927