Texas Register, Volume 15, Number 87, Pages 6631-6695, November 20, 1990, periodical, November 20, 1990; (https://texashistory.unt.edu/ark:/67531/metapth201783/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .