Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-Current file), Feb 08 1959, p. 1. ProQuest. Web. 15 June 2020. Parmenter, Ross. "TURNAU PLAYERS GIVE TWO OPERAS: TROUPE PERFORMS WORKS BY RAVEL AND ASHLEY VERNON AT CARNEGIE RECITAL HALL." New York Times (1923-Current file), Feb 13 1959, p. 31. ProQuest. Web. 15 June 2020.