Tulsa Daily World (Tulsa, Okla.), Vol. 11, No. 200, Ed. 1 Sunday, May 7, 1916, newspaper, May 7, 1916; (https://gateway.okhistory.org/ark:/67531/metadc134037/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .