Austin, Stephen F. [Transcript of Letter from Stephen F. Austin to Ramón Músquiz, August 20, 1828], letter, August 20, 1828; (https://texashistory.unt.edu/ark:/67531/metapth217358/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .