Oklahoma Agriculturist (El Reno, Okla.), Vol. 2, No. 10, Ed. 1 Thursday, July 25, 1907, newspaper, July 25, 1907; (https://gateway.okhistory.org/ark:/67531/metadc913463/m1/1/: accessed April 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .