Texas Register, Volume 12, Number 33, Pages 1429-1477, May 5, 1987, periodical, May 5, 1987; (https://texashistory.unt.edu/ark:/67531/metapth243877/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .