The Yale Democrat (Yale, Okla.), Vol. 11, No. 51, Ed. 1 Wednesday, May 7, 1919, newspaper, May 7, 1919; (https://gateway.okhistory.org/ark:/67531/metadc1139430/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .