OC 52/394 Typewritten letter from Ferdinand Rebay (UE) to Schenker, dated October 18, 1904

UE sends proofs of Handel Organ Concertos, vol. I.

OC 52/15 Typewritten letter from Ferdinand Rebay (UE) to Schenker, dated December 3, 1904

UE sends Schenker a set of orchestral scores by Richard Strauss as a gift.

OC 52/21 Handwritten calling card from Rebay (UE) to Schenker, undated [c. June 12, 1906]

Rebay inquires when UE can expect Handel Organ Concertos, vol. II.

OC 52/20 Typewritten letter from UE to Schenker, dated June 13, 1906

UE inquires further about Handel Organ Works, volume II, with threat.

OC 52/390 Handwritten note by Schenker, undated [probably 1909]

Schenker records the refusal of his request for increased honorarium for vol. II of Handel Organ Concertos, maintaining that his work comstituted more that mere "arrangements."

Diary entry by Schenker for 23 January 1925