. . . . . "Entered from program calendars, booking ledger, and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS THIS WEEK.\" New York Times (1923-Current file), Dec 03 1961, p. 1. ProQuest. Web. 25 Oct. 2019.\r\nSalzman, Eric. \"MARSHALL BUTLER, PIANIST, PLAYS HERE.\" New York Times (1923-Current file), Dec 06 1961, p. 57. ProQuest. Web. 25 Oct. 2019." . . "1961-12-05T20:30:00"^^ . "solo recital" . . . . . . . . "Marshall Butler, Piano" . . .