The Rockdale Reporter and Messenger (Rockdale, Tex.), Vol. 96, No. 14, Ed. 1 Thursday, April 4, 1968, newspaper, April 4, 1968; (https://texashistory.unt.edu/ark:/67531/metapth864215/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .