Tonkawa Chieftain. (Tonkawa, Okla.), Vol. 6, No. 40, Ed. 1 Saturday, March 12, 1910, newspaper, March 12, 1910; (https://gateway.okhistory.org/ark:/67531/metadc1170700/m1/6/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .