A chart of the internal part of Louisiana including all the hitherto unexplored countries, lying between the River La Platte of the Missouri on the N., and the Red River on the S., the Mississippi east, and the mountains of Mexico west, with a part of New Mexico & the Province of Texas., map, 1810; (https://texashistory.unt.edu/ark:/67531/metapth192781/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .