The McKinney Examiner (McKinney, Tex.), Vol. 81, No. 47, Ed. 1 Thursday, August 8, 1968, newspaper, August 8, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1564379/m1/1/: accessed May 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .