The Spencer Siftings (Spencer, Okla.), Vol. 1, No. 8, Ed. 1 Friday, May 15, 1908, newspaper, May 15, 1908; (https://gateway.okhistory.org/ark:/67531/metadc936657/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .