Chickasha Daily Express (Chickasha, Okla.), Vol. 21, No. 105, Ed. 1 Saturday, May 1, 1920, newspaper, May 1, 1920; (https://gateway.okhistory.org/ark:/67531/metadc730229/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .