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. May 04 1952. ProQuest. Web. 31 Mar. 2014. "Cadogan, Bass, Gives Recital." New York Times (1923-Current file): 19. May 05 1952. ProQuest. Web. 31 Mar. 2014.