Marcus Aurelius. The Oxford classical dictionary. 3rd ed. Oxford: Oxford University Press, 1996. Hornblower, Simon, and Antony Spawforth. Saxon Shore. The Oxford classical dictionary. 3rd ed. Oxford: Oxford University Press, 1996. Petrikovits, Harold. Fortifications in the North-Western Roman Empire from the Third to the Fifth Centuries A.D. The Journal of Roman Studies, Vol. 61 (1971): 178–218. External links Portchester Castle Roman Britain Guide to the Roman fort of Portus Adurni (Portchester). A Guide to Portchester Castle Times, prices and visitor information (as of 2006. See English Heritage website linked above for current information). Buildings and structures completed in the 3rd century Standing Anglo-Saxon buildings Anglo-Saxon sites in England Archaeological sites in Hampshire English Heritage sites in Hampshire Roman fortifications in England Saxon Shore forts Tourist attractions in Hampshire