The Hartshorne Sun. (Hartshorne, Okla.), Vol. 22, No. 22, Ed. 1 Thursday, May 25, 1916, newspaper, May 25, 1916; (https://gateway.okhistory.org/ark:/67531/metadc163123/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .