The Billings News. (Billings, Okla.), Vol. 8, No. 35, Ed. 1 Friday, May 17, 1907, newspaper, May 17, 1907; (https://gateway.okhistory.org/ark:/67531/metadc1172458/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .