Entered from booking ledger and New York Times concert listing and review. "Who Makes Music." New York Times (1923-), 25 Oct. 1970, p. 1. ProQuest. Web. 13 Aug. 2025. Sherman, Robert. "Grace O'Connor Presents Recital of Arias and Songs." New York Times (1923-), 02 Nov. 1970, p. 66. ProQuest. Web. 13 Aug. 2025.