The Dallas Craftsman (Dallas, Tex.), Vol. 56, No. 41, Ed. 1 Friday, March 13, 1970, newspaper, March 13, 1970; (https://texashistory.unt.edu/ark:/67531/metapth1561380/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .