Turnau Opera Players Entered from booking ledger and New York Times concert listing and review. NEW YORK PREMIERE of Ashley Vernon's GRAND SLAM "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. 1959-02-12T15:00:00