The Rockdale Reporter and Messenger (Rockdale, Tex.), Vol. 92, No. 20, Ed. 1 Thursday, May 21, 1964, newspaper, May 21, 1964; (https://texashistory.unt.edu/ark:/67531/metapth695010/m1/1/: accessed June 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .