OJ 13/32, [A] Calling card from Albert von Rothschild with recommendation for Schenker, undated

Albert von Rothschild recommends Schenker as a practising musician and theorist.

OJ 15/6, [2] Handwritten letter from Richard Wahle to Schenker, dated June 18, 1899

Wahle gives Schenker the name of a member of the state parliament who may be of service to his brother-in-law, Salo Guttmann, and asks Schenker to provide more information about him.