Texas Register, Volume 2, Number 45, Pages 2235-2298, June 7, 1977, periodical, June 7, 1977; (https://texashistory.unt.edu/ark:/67531/metapth252968/m1/1/: accessed May 14, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .