Cowling, James. The Yukon Weekly. (Yukon, Okla.), Vol. 6, No. 31, Ed. 1 Thursday, September 15, 1898, newspaper, September 15, 1898; (https://gateway.okhistory.org/ark:/67531/metadc913474/m1/1/: accessed December 2, 2020), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .