The Farmers Union Advocate (Guthrie, Okla.), Vol. 5, No. 17, Ed. 1 Thursday, May 12, 1910, newspaper, May 12, 1910; (https://gateway.okhistory.org/ark:/67531/metadc98659/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .