Texas Register, Volume 2, Number 98, Pages 4857-4958, December 20, 1977, periodical, December 20, 1977; (https://texashistory.unt.edu/ark:/67531/metapth253069/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .