Entered from booking ledger and New York Times concert listing and review. "Who Makes Music and Where." New York Times (1923-), Jun 18 1967, p. 95. ProQuest. Web. 22 Oct. 2024. "Recital of Songs and Arias Offered by Cynthia Burke." New York Times (1923-), Jun 19 1967, p. 41. ProQuest. Web. 22 Oct. 2024.