Walton, Robert. "A new, plaine, & exact mapp of Africa." Map. London: printed colored and are to be sould by Robert Walton at the globe and compass in St. Paules Church yard between the two north doors, [1658]. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:w9505s468 (accessed April 25, 2024).