Sprague, G. E. The Hennessey Clipper (Hennessey, Okla.), Vol. 20, No. 2, Ed. 1 Thursday, May 27, 1909, newspaper, May 27, 1909; (https://gateway.okhistory.org/ark:/67531/metadc105659/m1/7/: accessed May 26, 2019), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .