The title continues ‘Estratta della Grande del Nolli’, referring to its derivation from the large wall map by Giambattista Nolli, first issued in 1748. It has inset plans of the Mausoleo di S. Costanza and the Basilica di S. Paolo, with a map of the environs of Rome, all on the left, and an inset plan of S. Lorenzo fuori le Mura, with a table of ‘Rioni’ (districts), on the right, the title is in the upper margin.