The Dover News (Dover, Okla.), Vol. 17, No. 50, Ed. 1 Thursday, May 2, 1918, newspaper, May 2, 1918; (https://gateway.okhistory.org/ark:/67531/metadc107395/m1/4/: accessed May 8, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .