The Sentinel Leader. (Sentinel, Okla.), Vol. 9, No. 40, Ed. 1 Friday, May 2, 1913, newspaper, May 2, 1913; (https://gateway.okhistory.org/ark:/67531/metadc273159/m1/3/: accessed May 10, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .