Cedar Hill Chronicle (Cedar Hill, Tex.), Vol. 3, No. 14, Ed. 1 Thursday, August 31, 1967, newspaper, August 31, 1967; (https://texashistory.unt.edu/ark:/67531/metapth522939/m1/4/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .