OJ 9/12, [7] Handwritten letter from Carl Bamberger to Schenker, dated May 10, 1927

Bamberger has been appointed second conductor at the Darmstadt operahouse. He asks to visit Schenker in Vienna.

OJ 9/12, [8] Handwritten letter from Carl Bamberger to Schenker, dated December 2, 1927

Bamberger praises Schenker's initiative in the Photogrammarchiv and Anthony van Hoboken's philanthropy; he is making progress as a conductor.

OeNB H Autogr.856/20-5 Handwritten letter from Schenker to Josef Marx, dated July 8, 1933

Schenker asks Marx to intercede with Oswald Kabasta on behalf of Carl Bamberger for the latter to be relayed on Radio Wien.

Diary entry by Schenker for 15 May 1914

Diary entry by Schenker for 7 September 1915

Diary entry by Schenker for 12 May 1927