Entered from booking ledger and New York Times concert listing and review. "Who Makes Music and Where." New York Times (1923-), 01 Nov. 1970, p. 127. ProQuest. Web. 13 Aug. 2025. Hughes, Allen. "LAWRENCE GRAHAM IN PIANO PROGRAM." New York Times (1923-), 07 Nov. 1970, p. 34. ProQuest. Web. 13 Aug. 2025.