Hartman, Fred. The Baytown Sun (Baytown, Tex.), Vol. 45, No. 227, Ed. 1 Friday, March 15, 1968, newspaper, March 15, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1061336/m1/6/: accessed March 2, 2021), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .