Wettengel & Son. Farmers' Champion (Elgin, Okla.), Vol. 11, No. 15, Ed. 1, Wednesday, January 19, 1921, newspaper, January 19, 1921; (https://gateway.okhistory.org/ark:/67531/metadc69701/m1/1/: accessed September 19, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .