Daily Ardmoreite (Ardmore, Okla.), Vol. 25, No. 238, Ed. 1 Friday, May 31, 1918, newspaper, May 31, 1918; (https://gateway.okhistory.org/ark:/67531/metadc156460/m1/1/: accessed June 27, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .