Oklahoma City Times (Oklahoma City, Okla.), Vol. 50, No. 266, Ed. 1 Friday, March 29, 1940, newspaper, March 29, 1940; (https://gateway.okhistory.org/ark:/67531/metadc1758915/m1/1/: accessed June 27, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .