Cooke, J. W. The Rockdale Reporter and Messenger (Rockdale, Tex.), Vol. 96, No. 21, Ed. 1 Thursday, May 23, 1968, newspaper, May 23, 1968; (https://texashistory.unt.edu/ark:/67531/metapth864271/m1/1/: accessed November 16, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .