. "Entered from booking ledger and New York Times concert listing.\r\n\"Opera, Concerts and Recitals.\" New York Times (1923-), Feb 28 1965, p. 1. ProQuest. Web. 5 Mar. 2024." . . . . "solo recital" . "Mario Delli Ponti, Piano" . "1965-03-01T20:30:00"^^ . . . . .