Thacker, John Riley & Huff, Robert Randolph. The Hollis Post-Herald (Hollis, Okla.), Vol. 6, No. 42, Ed. 1 Thursday, April 15, 1909, newspaper, April 15, 1909; (https://gateway.okhistory.org/ark:/67531/metadc185362/m1/2/: accessed November 20, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .