The Helena Star. (Helena, Okla.), Vol. 13, No. 22, Ed. 1 Thursday, May 23, 1918, newspaper, May 23, 1918; (https://gateway.okhistory.org/ark:/67531/metadc1726616/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .