The Rockdale Reporter and Messenger (Rockdale, Tex.), Vol. 96, No. 23, Ed. 1 Thursday, June 6, 1968, newspaper, June 6, 1968; (https://texashistory.unt.edu/ark:/67531/metapth864182/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .