. . "Entered from booking ledger, the New York Times concert listing and review.\r\n\"MUSIC PROGRAMS.\" New York Times (1923-Current file), Oct 07 1956, p. 132. ProQuest. Web. 1 Apr. 2021.\r\n\"CONCERT SERIES IS STARTED HERE: SEAMAN'S TWILIGHT PROGRAMS AT CARNEGIE RECITAL HALL TO RANGE IN STYLE, TIME.\" New York Times (1923-Current file), Oct 14 1956, p. 82. ProQuest. Web. 5 Apr. 2021." . "Twilight Concert" . . . . "1956-10-13T17:30:00"^^ . . . . . .