As of the end of September 2019, the site has 106 files posted, including 86 maps and 20 books (see Updates).
In the Book Archives, search for “Preview” to view previews of books that have not been digitized. Instead, the previews provide an overview of the book, including the cover, title page, contents, and introductory material.
Also see the 1882 Industries Of New Jersey Part I: Trenton, Princeton, Hightstown, Pennington, and Hopewell for extensive coverage of local towns and businesses. A second document extracts the coverage of Hopewell Township, especially the businesses of Hopewell and Pennington.
In the Map Archives, search for “Aerial” to view aerial photos of Hopewell and Pennington from the 1931 Mercer County Master Plan (pictured), and from the 1975 Mercer County Real Estate Atlas.
Also see additional documentation for the 1887 Fowler birds-eye of Hopewell Borough, with a key to the marked buildings.