The Orange Leader (Orange, Tex.), Vol. 65, No. 117, Ed. 1 Wednesday, May 15, 1968, newspaper, May 15, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1561006/m1/1/: accessed June 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .