Mangum Weekly Star. and The Greer County Democrat (Mangum, Okla.), Vol. 29, No. 31, Ed. 1 Thursday, January 18, 1917, newspaper, January 18, 1917; (https://gateway.okhistory.org/ark:/67531/metadc282533/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .