Sprague, G. E. The Hennessey Clipper (Hennessey, Okla.), Vol. 20, No. 13, Ed. 1 Thursday, August 12, 1909, newspaper, August 12, 1909; (https://gateway.okhistory.org/ark:/67531/metadc105670/m1/1/: accessed April 19, 2019), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .