Vernon, Kathleen & McGregor, Mike. Double Oak Gazette (Double Oak, Tex.), Vol. 13, No. 6, Ed. 1, May 1991, newspaper, May 1991; (https://texashistory.unt.edu/ark:/67531/metapth1004810/m1/2/: accessed August 9, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .