Texas Register, Volume 1, Number 51, Pages 1759-1804, July 2, 1976, periodical, July 2, 1976; (https://texashistory.unt.edu/ark:/67531/metapth252830/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .