The Dallas Craftsman (Dallas, Tex.), Vol. 56, No. 51, Ed. 1 Friday, May 22, 1970, newspaper, May 22, 1970; (https://texashistory.unt.edu/ark:/67531/metapth1561396/m1/1/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .