Cedar Hill Citizen (Cedar Hill, Tex.), Vol. 1, No. 32, Ed. 1 Thursday, February 15, 1973, newspaper, February 15, 1973; (https://texashistory.unt.edu/ark:/67531/metapth568701/m1/6/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .