Cedar Hill Citizen (Cedar Hill, Tex.), Vol. 2, No. 24, Ed. 1 Thursday, December 20, 1973, newspaper, December 20, 1973; (https://texashistory.unt.edu/ark:/67531/metapth591851/m1/16/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .