Las Sabinas, Volume 6, Number 3, July 1980, periodical, July 1980; (https://texashistory.unt.edu/ark:/67531/metapth255462/m1/22/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Las Sabinas, Volume 6, Number 3, July 1980, periodical, July 1980; (https://texashistory.unt.edu/ark:/67531/metapth255462/m1/22/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .