Barrett, W. K. & Barrett, M. A. The Dover News (Dover, Okla.), Vol. 18, No. 3, Ed. 1 Thursday, June 6, 1918, newspaper, June 6, 1918; (https://gateway.okhistory.org/ark:/67531/metadc107400/m1/1/: accessed December 16, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .