The Sulphur Democrat. (Sulphur, Okla.), Vol. 25, No. 3, Ed. 1 Thursday, August 1, 1918, newspaper, August 1, 1918; (https://gateway.okhistory.org/ark:/67531/metadc2083827/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .