The El Reno American. (El Reno, Okla.), Vol. 25, No. 26, Ed. 1 Thursday, June 6, 1918, newspaper, June 6, 1918; (https://gateway.okhistory.org/ark:/67531/metadc913281/m1/2/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .