The Hennessey Clipper (Hennessey, Okla.), Vol. 29, No. 49, Ed. 1 Thursday, May 15, 1919, newspaper, May 15, 1919; (https://gateway.okhistory.org/ark:/67531/metadc106181/m1/1/: accessed May 22, 2025), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .