Entered from booking ledger and New York Times concert listing and review. "Who Makes Music and Where." New York Times (1923-), Dec 10 1967, p. 182. ProQuest. Web. 6 Nov. 2024. "ROBERT PRESTON, 25, GIVES PIANO RECITAL." New York Times (1923-), Dec 14 1967, p. 57. ProQuest. Web. 6 Nov. 2024.