The Yale Democrat (Yale, Okla.), Vol. 12, No. 113, Ed. 1 Wednesday, May 19, 1920, newspaper, May 19, 1920; (https://gateway.okhistory.org/ark:/67531/metadc1139588/m1/2/: accessed March 21, 2019), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .