Barrett, W. K. & Barrett, M. A. The Dover News (Dover, Okla.), Vol. 18, No. 4, Ed. 1 Thursday, June 13, 1918, newspaper, June 13, 1918; (https://gateway.okhistory.org/ark:/67531/metadc107401/m1/2/: accessed March 20, 2019), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .