AD: a Quest for Arthur, England and the Anglo-Saxons. London: Harper Collins Radford, C. A. Ralegh (1939) Tintagel Castle. London: H.M.S.O. (Reprinted by English Heritage 1985) Ridley, Ronald (1982) Zosimus: New History. Sydney Snyder, Christopher (1996) An Age of Tyrants. Philadelphia: Pennsylvania University Press Thomas, Charles (1993) Tintagel: Arthur and Archaeology. London: English Heritage Thompson, E. A. (1984) St Germanus of Auxerre and the End of Roman Britain. Woodbridge: Boydell Winterbottom, Michael (ed.) (1978) Gildas, The Ruin of Britain and Other Works. Chichester: Phillimore External links Sub-Roman Britain Timeline – A timeline landing at A History of Britain blog. Vortigern Studies website – while Vortigern-focused, it is an in-depth resource for navigating the issues in sub-Roman British history. The History Files – An extensive collection of information covering all historical states, including comprehensive features, highly detailed maps, and lists of rulers for each state. Ethnic and cultural consequences of the war between Saxons and romanised Britons 5th century in England 6th century in England 5th century in Great Britain 6th century in Great Britain 5th century in Wales 6th century in Wales Arthurian legend British traditional history History of England by period Late antiquity Roman Britain Barbarian kingdoms