Roman urban defences in the West : a review of current research on urban defences in the Roman Empire with special reference to the northern provinces, based on papers presented to the conference on Roman urban defences, held at the Museum of London on 21-23 March 1980 /
Maloney, John.
Hobley, Brian.
London : Council for British Archaeology,
1983.
Includes bibliographies and index.
City walls
Fortification, Roman