Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS FOR THE WEEK." New York Times (1923-Current file), Mar 18 1956, p. 134. ProQuest. Web. 18 Dec. 2020. "ROBERT DEAN SINGS IN A RECITAL HERE." New York Times (1923-Current file), Mar 25 1956, p. 65. ProQuest. Web. 18 Dec. 2020.