Ellis County Advocate (Gage, Okla.), Vol. 1, No. 3, Ed. 1 Thursday, May 30, 1918, newspaper, May 30, 1918; (https://gateway.okhistory.org/ark:/67531/metadc1793950/m1/1/: accessed June 13, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .