. . . . "New York Debut\r\nEntered from booking ledger and New York Times concert listing and review.\r\n\"MUSIC PROGRAMS FOR THE CURRENT WEEK.\" New York Times (1923-), Apr 19 1964, p. 1. ProQuest. Web. 14 Nov. 2023.\r\n\"MARY LOU DONAHUE IN A SONG PROGRAM.\" New York Times (1923-), Apr 20 1964, p. 35. ProQuest. Web. 14 Nov. 2023." . . . . "solo recital" . "Mary Lou Donahue, Soprano" . . "1964-04-19T20:30:00"^^ . . . . .