Cowling, James. The Yukon Weekly. (Yukon, Okla.), Vol. 6, No. 21, Ed. 1 Thursday, July 7, 1898, newspaper, July 7, 1898; (https://gateway.okhistory.org/ark:/67531/metadc913668/m1/1/: accessed December 10, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .