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-), Apr 08 1962, p. 1. ProQuest. Web. 31 July 2023. "SUMMERS, BARITONE, MAKES LOCAL DEBUT." New York Times (1923-), Apr 09 1962, p. 32. ProQuest. Web. 31 July 2023.