Mulhall Enterprise (Mulhall, Okla.), Vol. 14, No. 29, Ed. 1 Friday, July 20, 1906, newspaper, July 20, 1906; (https://gateway.okhistory.org/ark:/67531/metadc286269/m1/4/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .