The Hollis Post-Herald. (Hollis, Okla.), Vol. 15, No. 35, Ed. 1 Thursday, May 2, 1918, newspaper, May 2, 1918; (https://gateway.okhistory.org/ark:/67531/metadc268218/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .