Tonkawa Chieftain. (Tonkawa, Okla.), Vol. 3, No. 10, Ed. 1 Thursday, August 9, 1906, newspaper, August 9, 1906; (https://gateway.okhistory.org/ark:/67531/metadc1172130/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .