Entered from program calendar and New York Times concert listing and review. "Opera and Concert Programs." New York Times (1923-Current file): 1. May 10 1953. ProQuest. Web. 5 Sep. 2014. "Cadogan, Bass, Performs." New York Times (1923-Current file): 24. May 11 1953. ProQuest. Web. 5 Sep. 2014.