Map of the United States of North America, upper & lower Canada, New Brunswick, Nova Scotia & British Columbia, Mexico, Cuba, Jamaica, St. Domingo and the Bahama islands., map, 1861; (https://texashistory.unt.edu/ark:/67531/metapth251676/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .