Thurman, W. R. The Duke Times (Duke, Okla.), Vol. 11, No. 6, Ed. 1 Friday, May 7, 1920, newspaper, May 7, 1920; (https://gateway.okhistory.org/ark:/67531/metadc404280/m1/1/: accessed October 31, 2020), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .