Entered from booking ledger and New York Times concert listing and review. "OPERA REPERTORY, SYMPHONY AND CONCERT PROGRAMS FOR THE COMING WEEK IN NEW YORK." New York Times (1923-Current file), Mar 31 1957, p. 130. ProQuest. Web. 8 June 2021. "Telemann Society in Concert." New York Times (1923-Current file), Apr 06 1957, p. 19. ProQuest. Web. 23 June 2021.