The Red Rock Opinion (Red Rock, Okla.), Vol. 5, No. 13, Ed. 1 Friday, November 1, 1907, newspaper, November 1, 1907; (https://gateway.okhistory.org/ark:/67531/metadc131773/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .