The Farmers Union Advocate (Guthrie, Okla.), Vol. 5, No. 23, Ed. 1 Thursday, June 23, 1910, newspaper, June 23, 1910; (https://gateway.okhistory.org/ark:/67531/metadc98665/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .