The Hartshorne Sun. (Hartshorne, Okla.), Vol. 17, No. 23, Ed. 1 Thursday, August 10, 1911, newspaper, August 10, 1911; (https://gateway.okhistory.org/ark:/67531/metadc149910/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .