Here are links to other map resources, created by cartophiles who are not RMCA members–yet. If there are additional links you would like to see here, please e-mail the webmaster.
Map History/ History of Cartography. Created by a retired map librarian at the British Museum, Tony Campbell.
Maps of Pennsylvania. A comprehensive site addressing maps of PA. Well researched with many images of early roadmaps. Recommended for help to date early East Coast oil company maps.