Otley, J. W. Keily, James. cartographic Maps. lcgft https://id.loc.gov/authorities/genreForms/gf2011026387 Camden, N.J. : L. van der Veer, 1849. eng Relief shown by hachures. Includes names of property owners. Insets : Plan of Trenton ; Plan of Princeton. LC Land ownership maps, Land tenure--New Jersey--Mercer County--Maps. Mercer County (N.J.)--Maps. United States Mercer County. Available also through the Library of Congress Web site as a raster image. http://hdl.loc.gov/loc.gmd/g3813m.la000454