The Norman Democrat-Topic (Norman, Okla.), Vol. 27, No. 18, Ed. 1 Friday, April 21, 1916, newspaper, April 21, 1916; (https://gateway.okhistory.org/ark:/67531/metadc120366/m1/1/: accessed April 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .