The Black Dispatch (Oklahoma City, Okla.), Vol. 6, No. 27, Ed. 1 Friday, June 10, 1921, newspaper, June 10, 1921; (https://gateway.okhistory.org/ark:/67531/metadc152336/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .