New York Debut Entered from booking ledger and New York Times concert listing and review. Merrill, Helen. "CONCERT AND OPERA PROGRAMS FOR THE WEEK." New York Times (1923-Current file), Apr 15 1956, p. 124. ProQuest. Web. 10 Mar. 2021. "MARYSE CONDE IN DEBUT: PARIS SOPRANO PERFORMS AT CARNEGIE RECITAL HALL." New York Times (1923-Current file), Apr 18 1956, p. 25. ProQuest. Web. 10 Mar. 2021.