Texas Register, Volume 31, Number 40, Pages 8307-8444, October 6, 2006, periodical, October 6, 2006; (https://texashistory.unt.edu/ark:/67531/metapth97365/m1/38/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .