Map of the west coast of Africa from Sierra Leone to Cape Palmas, including the Colony of Liberia / compiled chiefly from the surveys and observations of the late Rev. J. Ashmun. Philadelphia: A. Finley, 1830 (fold-out plate detached from Annual Report of the American Society for Colonizing the Free People of Colour of the United States, Washington, 1830)
PHS Call number: MAPCASE 46:34