Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS THIS WEEK." New York Times (1923-), Feb 26 1961, p. 1. ProQuest. Web. 19 Sep. 2022. Salzman, Eric. "Gramercy Chamber Ensemble Program." New York Times (1923-), Feb 28 1961, p. 37. ProQuest. Web. 19 Sep. 2022.