Oklahoma City Times (Oklahoma City, Okla.), Vol. 30, No. 306, Ed. 2 Tuesday, April 1, 1919, newspaper, April 1, 1919; (https://gateway.okhistory.org/ark:/67531/metadc171083/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .