The United States, Texas & the British Provinces of the Canadas, Newfoundland, Nova Scotia, N. Brunswick & Prince Edward Island., map, 1838?; (https://texashistory.unt.edu/ark:/67531/metapth298250/m1/1/: accessed September 29, 2023), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .