Cedar Hill Chronicle (Cedar Hill, Tex.), Vol. 3, No. 5, Ed. 1 Thursday, June 29, 1967, newspaper, June 29, 1967; (https://texashistory.unt.edu/ark:/67531/metapth523043/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .