The Hartshorne Sun. (Hartshorne, Okla.), Vol. 22, No. 40, Ed. 1 Thursday, September 28, 1916, newspaper, September 28, 1916; (https://gateway.okhistory.org/ark:/67531/metadc163141/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .