"1956-02-26T17:30:00"^^ . . . . "solo recital" . . . . . . "Helene Haley, Mezzo-Soprano" . . . . "Entered from booking ledger and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS FOR THE WEEK.\" New York Times (1923-Current file), Feb 26 1956, p. 1. ProQuest. Web. 10 Dec. 2020.\r\n\"Helen Haley Sings Program.\" New York Times (1923-Current file), Feb 27 1956, p. 18. ProQuest. Web. 10 Dec. 2020." . . . . .