The Hennessey Clipper (Hennessey, Okla.), Vol. 29, No. 47, Ed. 1 Thursday, May 1, 1919, newspaper, May 1, 1919; (https://gateway.okhistory.org/ark:/67531/metadc106179/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .