Keith, Thomas, 1799 - "Short and Easy Introduction....to Geography", 3rd ed, 1799, Box: 2, Folder: 69. Research papers gathered for A Carto-Bibliography of the Maps in Eighteenth-Century English and American Geography Books, MS 287. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/234101 Accessed June 16, 2025.