The Tonkawa News (Tonkawa, Okla.), Vol. 24, No. 17, Ed. 1 Thursday, July 7, 1921, newspaper, July 7, 1921; (https://gateway.okhistory.org/ark:/67531/metadc1784565/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .