The Mulhall State Journal (Mulhall, Okla.), Vol. 17, No. 5, Ed. 1 Thursday, July 22, 1920, newspaper, July 22, 1920; (https://gateway.okhistory.org/ark:/67531/metadc163272/m1/1/: accessed April 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .