Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-), Jan 19 1958, p. 1. ProQuest. Web. 24 Sep. 2021. "Mouzon Geraldine Sings." New York Times (1923-), Jan 20 1958, p. 18. ProQuest. Web. 24 Sep. 2021.