The El Reno American. (El Reno, Okla.), Vol. 25, No. 24, Ed. 1 Thursday, May 23, 1918, newspaper, May 23, 1918; (https://gateway.okhistory.org/ark:/67531/metadc912717/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .