The Cimarron News. (Boise City, Okla.), Vol. 23, No. 30, Ed. 1 Monday, February 21, 1921, newspaper, February 21, 1921; (https://gateway.okhistory.org/ark:/67531/metadc305114/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .