Dover Shakespeare's "King Lear" (between 1603 and 1606), in which the town and its cliffs play a prominent role. Archaeological finds have shown that there were Stone Age people in the area, and that some Iron Age finds also exist. During the Roman period, the area became part of the Roman communications network. It was connected by road to Canterbury and Watling Street and it became "Portus Dubris", a fortified port. Dover has a partly preserved Roman lighthouse (the tallest surviving Roman structure in Britain) and the remains of a villa with the only preserved Roman wall painting outside Italy. Dover
English Place-Name Society on names organised by region or by category (e.g. field-names), and some county dictionaries aimed mainly at a non-specialist audience. Most English counties are now covered by volumes in the place-name survey, although early volumes are not as detailed as the later ones. The Survey volumes for the North and East Ridings of Yorkshire and parts of the West Riding of Yorkshire are available free of charge on the English Place-Name Society website. From the 1960s there has been a change in the interpretation of some place-names, resulting from the detailed comparison of distributions of the place-name types which had