Suzanne Sigal, Mezzo-Soprano New York Debut Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-Current file), Nov 23 1958, p. 1. ProQuest. Web. 8 June 2020. "SUZANNE SIGAL IS HEARD: MEZZO-SOPRANO IN DEBUT AT CARNEGIE RECITAL HALL." New York Times (1923-Current file), Dec 01 1958, p. 38. ProQuest. Web. 9 June 2020. solo recital 1958-11-29T20:30:00