Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS FOR THE WEEK." New York Times (1923-Current file), Nov 13 1955, p. 1. ProQuest. Web. 28 Sep. 2020. "Maria Akiya, Soprano, Sings." New York Times (1923-Current file), Nov 14 1955, p. 32. ProQuest. Web. 28 Sep. 2020.