Texas Register, Volume 16, Number 54, Pages 3967-4030, July 19, 1991, periodical, July 19, 1991; (https://texashistory.unt.edu/ark:/67531/metapth193302/m1/20/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .