Texas Register, Volume 12, Number 27, Pages 1137-1205, April 10, 1987, periodical, April 10, 1987; (https://texashistory.unt.edu/ark:/67531/metapth243871/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .