Hunter, T. W. The Hartshorne Sun. (Hartshorne, Okla.), Vol. 21, No. 18, Ed. 1 Thursday, April 29, 1915, newspaper, April 29, 1915; (https://gateway.okhistory.org/ark:/67531/metadc163067/m1/1/: accessed November 18, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .