The Dublin Progress (Dublin, Tex.), Vol. 80, No. 41, Ed. 1 Thursday, February 29, 1968, newspaper, February 29, 1968; (https://texashistory.unt.edu/ark:/67531/metapth775823/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .