Florence Mont, Soprano Entered from booking ledger, New York Times concert listing, and review. "CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-Current file), Dec 08, 1957, pp. 1. ProQuest. "Florence Mont, Soprano, Offers Program." New York Times (1923-Current file), Dec 09, 1957, pp. 38. ProQuest. solo recital 1957-12-08T20:30:00