Las Sabinas, Volume 4, Number 4, October 1978, periodical, October 1978; (https://texashistory.unt.edu/ark:/67531/metapth255407/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Las Sabinas, Volume 4, Number 4, October 1978, periodical, October 1978; (https://texashistory.unt.edu/ark:/67531/metapth255407/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .