Saturday Morning Advertiser (Durant, Okla.), Vol. 8, No. 15, Ed. 1, Saturday, July 16, 1921, newspaper, July 16, 1921; (https://gateway.okhistory.org/ark:/67531/metadc83216/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .