There are several online versions of the Carte générale de France, the first comprehensive map of France produced by the Cassini family in the 18th century. Some, like those hosted by the EHESS and the David Rumsey Map Collection, georectify and stitch together the individual maps together to make a more-or-less seamless whole. On Gallica, the Bibliothèque nationale de France’s digital library, it’s presented as individual sheets; the Library of Congress does the same with its copy—the better to appreciate the originals, I suppose. [via]