Cedar Hill Chronicle (Cedar Hill, Tex.), Vol. 3, No. 27, Ed. 1 Thursday, December 28, 1967, newspaper, December 28, 1967; (https://texashistory.unt.edu/ark:/67531/metapth522880/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .