The Exponent. (Ralston, Okla.), Vol. 2, No. 45, Ed. 1 Saturday, March 9, 1907, newspaper, March 9, 1907; (https://gateway.okhistory.org/ark:/67531/metadc169140/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .