Cedar Hill Citizen (Cedar Hill, Tex.), Vol. 1, No. 1, Ed. 1 Thursday, July 13, 1972, newspaper, July 13, 1972; (https://texashistory.unt.edu/ark:/67531/metapth568705/m1/5/: accessed July 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .