Texas Register, Volume 5, Number 84, Pages 4475-4522, November 11, 1980, periodical, November 11, 1980; (https://texashistory.unt.edu/ark:/67531/metapth244832/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .