Entered from booking ledger and New York Times concert listing and review. "THE CURRENT WEEK'S MUSIC PROGRAMS." New York Times (1923-), Apr 12 1964, p. 1. ProQuest. Web. 13 Nov. 2023. Strongin, Theodore. "RICHARD DEAS GIVES PIANO RECITAL HERE." New York Times (1923-), Apr 14 1964, p. 32. ProQuest. Web. 14 Nov. 2023.