The J-TAC (Stephenville, Tex.), Vol. 47, No. 21, Ed. 1 Tuesday, April 30, 1968, newspaper, April 30, 1968; (https://texashistory.unt.edu/ark:/67531/metapth141156/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .