The Tulia Herald (Tulia, Tex.), Vol. 60, No. 22, Ed. 1 Thursday, May 30, 1968, newspaper, May 30, 1968; (https://texashistory.unt.edu/ark:/67531/metapth506774/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .