The Dover News (Dover, Okla.), Vol. 17, No. 1, Ed. 1 Thursday, April 12, 1917, newspaper, April 12, 1917; (https://gateway.okhistory.org/ark:/67531/metadc136545/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .