Entered from New York Times concert listing and review. "Opera and Concert Programs of the Week." New York Times (1923-Current file): 1. Sep 14 1952. ProQuest. Web. 2 May 2014. "Ethel Fields, Soprano, Bows." New York Times (1923-Current file): 16. Sep 15 1952. ProQuest. Web. 2 May 2014.