New York Debut Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS THIS WEEK." New York Times (1923-), Feb 12 1961, p. 1. ProQuest. Web. 13 Sep. 2022. Hughes, Allen. "Robert MacDonald Makes Piano Debut." New York Times (1923-), Feb 17 1961, p. 23. ProQuest. Web. 13 Sep. 2022.