The Tribune-Progress (Mountain View, Okla.), Vol. 20, No. 8, Ed. 1 Friday, June 28, 1918, newspaper, June 28, 1918; (https://gateway.okhistory.org/ark:/67531/metadc914192/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .