Wettengel & Son. Farmers Champion (Elgin, Okla.), Vol. 11, No. 20, Ed. 1, Wednesday, February 23, 1921, newspaper, February 23, 1921; (https://gateway.okhistory.org/ark:/67531/metadc69706/m1/1/: accessed September 18, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .