Isolde Traut, Soprano Program of German lieder Entered from booking ledger and New York Times concert listing and advertisement. The accompanist is not identified. The booking ledger entry is marked with a large, red "C", suggesting this performance may have been cancelled at the last minute. "Who Makes Music and Where." New York Times (1923-), Dec 05 1965, p. 1. ProQuest. Web. 15 Aug. 2024. "Display Ad 184 -- no Title." New York Times (1923-), Dec 05 1965, p. 1. ProQuest. Web. 15 Aug. 2024. solo recital 1965-12-05T20:30:00