The Tulia Herald (Tulia, Tex.), Vol. 60, No. 13, Ed. 1 Thursday, March 28, 1968, newspaper, March 28, 1968; (https://texashistory.unt.edu/ark:/67531/metapth506707/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .