[Transcript of Letter from Ramón Músquiz to Stephen F. Austin, August 21, 1828], letter, August 21, 1828; (https://texashistory.unt.edu/ark:/67531/metapth217359/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .