. . . . . . . "joint recital" . "Entered from booking ledger and New York Times concert listing and review.\r\nHenle, Fritz. \"CONCERT AND OPERA PROGRAMS FOR THE WEEK.\" New York Times (1923-Current file), May 12 1957, p. 1. ProQuest. Web. 16 Aug. 2021.\r\n\"JOINT RECITAL ENDS ARTISTS GUILD SERIES.\" New York Times (1923-Current file), May 19 1957, p. 81. ProQuest. Web. 23 Aug. 2021." . . . "1957-05-18T14:30:00"^^ . "Charles Castleman, Violin, and Nancy Hall, Mezzo-Soprano" . . . . . .