Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS 0F THE WEEK." New York Times (1923-), Nov 06 1960, p. 1. ProQuest. Web. 22 Aug. 2022. "SIVIA SERRLYA GIVES SONG RECITAL HERE." New York Times (1923-), Nov 07 1960, p. 42. ProQuest. Web. 22 Aug. 2022.