Texas Register, Volume 5, Number 23, Pages 1105-1170, March 25, 1980, periodical, March 25, 1980; (https://texashistory.unt.edu/ark:/67531/metapth244615/m1/1/: accessed April 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .