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), Mar 15 1959, p. 1. ProQuest. Web. 13 July 2020. Salzman, Eric. "AMOR MUSICAE HEARD: ENSEMBLE OFFERS PROGRAM AT CARNEGIE RECITAL HALL." New York Times (1923-Current file), Mar 16 1959, p. 28. ProQuest. Web. 13 July 2020.