Farmers' Champion (Elgin, Okla.), Vol. 6, No. 43, Ed. 1, Wednesday, July 12, 1916, newspaper, July 12, 1916; (https://gateway.okhistory.org/ark:/67531/metadc69668/m1/4/: accessed May 22, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .