Entered from booking ledger and New York Times concert listing and review. WORLD PREMIERE of Ezra Laderman's OCTET FOR WINDS IN ONE MOVEMENT "CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-Current file), Dec 15, 1957, pp. 136. ProQuest. "MANDELL CONDUCTS ARS NOVA CONCERT." New York Times (1923-Current file), Dec 22, 1957, pp. 13. ProQuest.