The Duke Times (Duke, Okla.), Vol. 10, No. 38, Ed. 1 Friday, March 21, 1919, newspaper, March 21, 1919; (https://gateway.okhistory.org/ark:/67531/metadc403386/m1/1/: accessed May 31, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .