. "1958-02-01T17:30:00"^^ . . . . "solo recital" . . . "Zinaida Alvers, Contralto" . "Entered from booking ledger and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS OF THE WEEK.\" New York Times (1923-), Jan 26 1958, p. 1. ProQuest. Web. 28 Sep. 2021.\r\n\"SONG RECITAL GIVEN BY ZINAIDA ALVERS.\" New York Times (1923-), Feb 02 1958, p. 79. ProQuest. Web. 29 Sep. 2021." . .