La Paz (Lower California) and its environs showing the positions occupied by the U.S. troops and the Mexicans, during attacks in November & December 1847., map, 1848; (https://texashistory.unt.edu/ark:/67531/metapth192671/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .