Texas Register, Volume 3, Number 25, Pages 1167-1252, April 4, 1978, periodical, April 4, 1978; (https://texashistory.unt.edu/ark:/67531/metapth252933/m1/1/: accessed June 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .