Bonsero. María Antonia. [Transcript of Letter from María Antonia Bonsero to Stephen F. Austin, April 29, 1830], letter, April 29, 1830; (https://texashistory.unt.edu/ark:/67531/metapth217426/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .