The Dublin Progress (Dublin, Tex.), Vol. 76, No. 106, Ed. 1 Thursday, April 21, 1966, newspaper, April 21, 1966; (https://texashistory.unt.edu/ark:/67531/metapth541395/m1/3/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .