The Cleveland County Democrat-News (Norman, Okla.), Vol. 7, No. 32, Ed. 1 Sunday, April 20, 1930, newspaper, April 20, 1930; (https://gateway.okhistory.org/ark:/67531/metadc2160741/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .