Jessee, Elmer V. The Mangum Star (Mangum, Okla.), Vol. 32, No. 26, Ed. 1 Thursday, December 11, 1919, newspaper, December 11, 1919; (https://gateway.okhistory.org/ark:/67531/metadc284352/m1/1/: accessed December 15, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .