Wettengel & Sons. Farmers' Champion (Elgin, Okla.), Vol. 6, No. 35, Ed. 1, Wednesday, May 17, 1916, newspaper, May 17, 1916; (https://gateway.okhistory.org/ark:/67531/metadc69661/m1/1/: accessed July 15, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .