Cedar Hill Citizen (Cedar Hill, Tex.), Vol. 1, No. 17, Ed. 1 Thursday, December 30, 1971, newspaper, December 30, 1971; (https://texashistory.unt.edu/ark:/67531/metapth568780/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .