. "1957-03-25T20:30:00"^^ . . . . . "Entered from booking ledger and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS FOR THE WEEK: OPERA METROPOLITAN CONCERTS, RECITALS TODAY.\" New York Times (1923-Current file), Mar 24 1957, p. 126. ProQuest. Web. 27 May 2021.\r\n\"DORA KARTAKOVA SINGS: SOPRANO IS HEARD IN PROGRAM AT CARNEGIE RECITAL HALL.\" New York Times (1923-Current file), Mar 26 1957, p. 36. ProQuest. Web. 27 May 2021." . . "Dorá Kartáková, Soprano" . "solo recital" . . .