The Tulia Herald (Tulia, Tex.), Vol. 61, No. 12, Ed. 1 Thursday, March 20, 1969, newspaper, March 20, 1969; (https://texashistory.unt.edu/ark:/67531/metapth506569/m1/1/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .