Texas Register, Volume 12, Number 32, Pages 1407-1427, April 28, 1987, periodical, April 28, 1987; (https://texashistory.unt.edu/ark:/67531/metapth243876/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .