Mayes County Republican (Pryor, Okla.), Vol. 11, No. 7, Ed. 1 Thursday, April 11, 1918, newspaper, April 11, 1918; (https://gateway.okhistory.org/ark:/67531/metadc956318/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .