The El Reno Daily Tribune (El Reno, Okla.), Vol. 49, No. 37, Ed. 1 Friday, April 12, 1940, newspaper, April 12, 1940; (https://gateway.okhistory.org/ark:/67531/metadc919863/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .