The Greer County Democrat (Mangum, Okla.), Vol. 24, No. 13, Ed. 1 Thursday, December 11, 1913, newspaper, December 11, 1913; (https://gateway.okhistory.org/ark:/67531/metadc281444/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .