Las Sabinas, Volume 4, Number 1, July 1978, periodical, January 1978; (https://texashistory.unt.edu/ark:/67531/metapth255383/m1/3/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Las Sabinas, Volume 4, Number 1, July 1978, periodical, January 1978; (https://texashistory.unt.edu/ark:/67531/metapth255383/m1/3/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .