The Copan Leader. (Copan, Okla.), Vol. 1, No. 19, Ed. 1 Friday, June 2, 1916, newspaper, June 2, 1916; (https://gateway.okhistory.org/ark:/67531/metadc950621/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .