Texas Register, Volume 4, Number 73, Pages 3529-3576, September 28, 1979, periodical, September 28, 1979; (https://texashistory.unt.edu/ark:/67531/metapth244792/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .