Las Sabinas, Volume 6, Number 4, October 1980, periodical, October 1980; (https://texashistory.unt.edu/ark:/67531/metapth255473/m1/1/: accessed June 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Las Sabinas, Volume 6, Number 4, October 1980, periodical, October 1980; (https://texashistory.unt.edu/ark:/67531/metapth255473/m1/1/: accessed June 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .