Marshall County Democrat. (Madill, Okla.), Vol. 2, No. 32, Ed. 1 Friday, May 1, 1908, newspaper, May 1, 1908; (https://gateway.okhistory.org/ark:/67531/metadc273994/m1/1/: accessed May 7, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .