Martyn, William Frederick, 1785-1787 - "The Geographical Magazine...", printed for Harrison.., London, 1785-1787, Box: 3A, Folder: 47. 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/234352 Accessed November 28, 2024.