Entered from advertising flyer, booking ledger, and New York Times concert listing and review. "Who Makes Music and Where." New York Times (1923-), 02 Nov. 1969, p. 1. ProQuest. Web. 4 June 2025. Davis, Peter G. "LILL, BRITISH PIANIST, RELIES ON TECHNIQUE." New York Times (1923-), 04 Nov. 1969, p. 54. ProQuest. Web. 5 June 2025.