Carolyn Friday, Soprano, and Ruth Conway, Mezzo-Soprano Entered from booking ledger and New York Times concert listing and review. The New York Times. “Who Makes Music and Where.” April 6, 1969. Strongin, Theodore. "Misses Friday and Conway Give Recital of Duets." New York Times (1923-), 11 Apr. 1969, p. 39. ProQuest. Web. 13 May 2025. duo recital 1969-04-10T20:30:00