The Hennessey Clipper (Hennessey, Okla.), Vol. 21, No. 10, Ed. 1 Thursday, July 21, 1910, newspaper, July 21, 1910; (https://gateway.okhistory.org/ark:/67531/metadc105718/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .