The Mangum Star. (Mangum, Okla. Terr.), Vol. 18, No. 43, Ed. 1 Thursday, April 26, 1906, newspaper, April 26, 1906; (https://gateway.okhistory.org/ark:/67531/metadc281462/m1/1/: accessed April 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .