The Lawton Constitution (Lawton, Okla.), Vol. 15, No. 239, Ed. 1 Monday, May 15, 1916, newspaper, May 15, 1916; (https://gateway.okhistory.org/ark:/67531/metadc129139/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .