Mulhall Enterprise (Mulhall, Okla.), Vol. 19, No. 26, Ed. 1 Friday, June 30, 1911, newspaper, June 30, 1911; (https://gateway.okhistory.org/ark:/67531/metadc305030/m1/1/: accessed May 3, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .