The Hennessey Clipper (Hennessey, Okla.), Vol. 29, No. 3, Ed. 1 Thursday, June 20, 1918, newspaper, June 20, 1918; (https://gateway.okhistory.org/ark:/67531/metadc106134/m1/2/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .