The Lawton Constitution (Lawton, Okla.), Vol. 16, No. 261, Ed. 1 Monday, June 11, 1917, newspaper, June 11, 1917; (https://gateway.okhistory.org/ark:/67531/metadc129468/m1/1/: accessed October 15, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .