New York Debut Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS FOR THE WEEK." New York Times (1923-Current file): 1. Mar 17 1957. ProQuest. Web. 21 June 2016. "The Lyric Trio Makes New York Debut." New York Times (1923-Current file): 43. Mar 19 1957. ProQuest. Web. 21 June 2016.