Cedar Hill Citizen (Cedar Hill, Tex.), Vol. 1, No. 25, Ed. 1 Thursday, February 24, 1972, newspaper, February 24, 1972; (https://texashistory.unt.edu/ark:/67531/metapth568776/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .