The Mangum Star And Southwest Eagle (Mangum, Okla.), Vol. 31, No. 27, Ed. 1 Thursday, December 19, 1918, newspaper, December 19, 1918; (https://gateway.okhistory.org/ark:/67531/metadc276325/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .