[Transcript of a letter from [James F. Perry] to Dr. Jonathan Baldwin, July 10, 1839], letter, July 10, 1839; (https://texashistory.unt.edu/ark:/67531/metapth217170/m1/1/: accessed April 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .