The Farmers Union Advocate (Guthrie, Okla.), Vol. 1, No. 15, Ed. 1 Thursday, August 18, 1910, newspaper, August 18, 1910; (https://gateway.okhistory.org/ark:/67531/metadc98669/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .