Annexation of Texas to the United States. Message from the President of the United States, in compliance with a resolution of the House of Representatives of the 13th instant, respecting an annexation of Texas to the United States., pamphlet, 1837; (https://texashistory.unt.edu/ark:/67531/metapth498484/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .