The Red Rock Opinion (Red Rock, Okla.), Vol. 8, No. 12, Ed. 1 Friday, July 29, 1910, newspaper, July 29, 1910; (https://gateway.okhistory.org/ark:/67531/metadc131893/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .