The El Reno Daily Tribune (El Reno, Okla.), Vol. 49, No. 58, Ed. 1 Tuesday, May 7, 1940, newspaper, May 7, 1940; (https://gateway.okhistory.org/ark:/67531/metadc920336/m1/4/: accessed July 5, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .