The Red Rock Opinion (Red Rock, Okla.), Vol. 10, No. 5, Ed. 1 Friday, June 21, 1912, newspaper, June 21, 1912; (https://gateway.okhistory.org/ark:/67531/metadc131992/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .