The Dublin Progress (Dublin, Tex.), Vol. 81, No. 40, Ed. 1 Thursday, March 13, 1969, newspaper, March 13, 1969; (https://texashistory.unt.edu/ark:/67531/metapth775424/m1/3/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .