Texas Register, Volume 12, Number 25, Pages 1067-1112, April 3, 1987, periodical, April 3, 1987; (https://texashistory.unt.edu/ark:/67531/metapth243869/m1/1/: accessed May 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .