The Claremore Progress (Claremore, Okla.), Vol. 26, No. 22, Ed. 1 Thursday, June 20, 1918, newspaper, June 20, 1918; (https://gateway.okhistory.org/ark:/67531/metadc182405/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .