Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS THIS WEEK." New York Times (1923-), Nov 12 1961, p. 1. ProQuest. Web. 6 Feb. 2023. "PIANIST BEGINS SERIES: RAYMOND GUY WILSON HEARD AT CARNEGIE RECITAL HALL." New York Times (1923-), Nov 20 1961, p. 40. ProQuest. Web. 16 Feb. 2023.