North America., map, [1846..1850]; (https://texashistory.unt.edu/ark:/67531/metapth192460/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
North America., map, [1846..1850]; (https://texashistory.unt.edu/ark:/67531/metapth192460/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .