[Texas Legislature, Senate Bill, No. 134]
[Texas Legislature, Senate Bill, No. 134], legislative document, May 11, 1991; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth1261213/: accessed December 1, 2020), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting Private Collection of Mario Marcel Salas.