New York Debut Entered from program calendar and New York Times concert listing and review. "Concert and Opera Programs of the Week." New York Times (1923-Current file): 1. Apr 12 1953. ProQuest. Web. 27 Aug. 2014. "Richard Steffan in Song Debut." New York Times (1923-Current file): 40. Apr 15 1953. ProQuest. Web. 28 Aug. 2014.