Hornbeck, Will W. Sentinel News-Boy. (Sentinel, Okla.), Vol. 1, No. 30, Ed. 1 Saturday, March 4, 1905, newspaper, March 4, 1905; (https://gateway.okhistory.org/ark:/67531/metadc181038/m1/3/: accessed August 14, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .