Texas Register, Volume 1, Number 73, Pages 2583-2622, September 21, 1976, periodical, September 21, 1976; (https://texashistory.unt.edu/ark:/67531/metapth252852/m1/1/: accessed May 14, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .