[Transcript of letters from Antonio López de Santa Anna to President Andrew Jackson and General José de Urrea, July 4, 1836], letter, July 4, 1836; (https://texashistory.unt.edu/ark:/67531/metapth217006/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .