Walker, John, 1788 - "Elements of Geography...", Dublin, 1788, Box: 3, Folder: 80. 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/234286 Accessed December 01, 2024.