The Oklahoma Leader (Oklahoma City, Okla.), Vol. 5, No. 42, Ed. 1 Saturday, April 12, 1919, newspaper, April 12, 1919; (https://gateway.okhistory.org/ark:/67531/metadc148745/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .