"duo recital" . . "Entered from New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS OF THE WEEK.\" New York Times (1923-Current file), Nov 10, 1957, pp. 149. ProQuest.\r\n\"DENGEL, GOLDMARK IN SONATA RECITAL.\" New York Times (1923-Current file), Nov 15, 1957, pp. 36. ProQuest." . "1957-11-14T20:30:00"^^ . . . . "Eugenie Dengel, Violin, and John Goldmark, Piano" . . .