Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-), Nov 13 1960, p. 1. ProQuest. Web. 23 Aug. 2022. "Grace Gimbel Offers Program on Piano." New York Times (1923-), Nov 16 1960, p. 51. ProQuest. Web. 25 Aug. 2022.