The Oklahoma Leader (Guthrie, Okla.), Vol. 28, No. 24, Ed. 1 Thursday, May 30, 1918, newspaper, May 30, 1918; (https://gateway.okhistory.org/ark:/67531/metadc280070/m1/1/: accessed April 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .