The Yukon Sun. (Yukon, Okla.), Vol. 16, No. 20, Ed. 1 Friday, May 15, 1908, newspaper, May 15, 1908; (https://gateway.okhistory.org/ark:/67531/metadc128002/m1/3/: accessed July 6, 2022), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .