Roger Mills Sentinel. (Cheyenne, Okla.), Vol. 2, No. 25, Ed. 1 Thursday, August 6, 1908, newspaper, August 6, 1908; (https://gateway.okhistory.org/ark:/67531/metadc2043118/m1/1/: accessed July 4, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .