Texas Register, Volume 4, Number 35, Pages 1703-1756, May 11, 1979, periodical, May 11, 1979; (https://texashistory.unt.edu/ark:/67531/metapth244658/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .