Beda Venerabilis (also known as Saint Bede or Bede the Venerable). Historia Ecclesiastica Gen-tis Anglorum (Ecclesiastical History of the English People). Translated by Leo Sherley-Price. Harmondsworth: Penguin, 1955.
Beresford, M. W. New Towns of the Middles Ages. Cambridge: Lutterworth Press, 1967.
Boon, G. C. Segontium Roman Fort. London: Her Majesty’s Stationary Office, 1963.
Bragard, Philippe, Johan Termote, and John Williams. A la Decouverte des Villes Fortifiees (Kent, Cote d’Opale etFlandre Occidentale). Dunkerque: Syndicat Mixte de la Cote d’Opale, 1999.
Braun, Georg, and Franz Hogenberg. Civitas Orbis Terrarum (Steden van de Wereld, Europa-Amerika). Amsterdam: Atrium, 1990.
Breasted, James Henry. Ancient Time. A History of the Early World. New York: Ginn, 1916.
Brondsted, Johannes. The Vikings. Baltimore: Penguin Books, 1960.
Campbell, Duncan, and Brian Delf. Roman Legionary Fortress 27b. c.-a. d. 378. Oxford: Osprey, 2006.
Clayton, Hugh. Royal Faces, 900 Years of British Monarchy. London: Her Majesty’s Stationary Office, 1977.
De Bouard, Michel. Guillaume le Conquerant. Paris: Presses Universitaires de France, 1958.
Delderfield, Eric R. Kings and Queens of England and Great Britain. Newton Abbot (Devon): David & Charles Publishers, 1972.
D’Haucourt, Genevieve. La Vie au Moyen Age. Paris: Presses Universitaires de France, 1987.
Dupuy de Clinchamps, Philippe. La Chevalerie. Paris: Presses Universitaires de France, 1961.
Eyre, A. G. An Outline History of England. Harlow: Longman Group, 1971.
Fields, Nic, and Donato Spedaliere. Rome’s Saxon Shore. Coastal Defences of Roman Britain A. D. 250-500. Oxford: Osprey, 2007.
Genicot, L., and P. Houssiau. Le Moyen Age. Paris: Casterman, 1959.
Gravett, Christopher, and Adam Hook. The Castles of Edward I in Wales 1277-1307. Oxford: Osprey, 2007.
_and_. Norman Stone Castles (1) The British Isles 1066-1216. Oxford: Osprey, 2003.
Hamilton-Thompson, A. Military Architecture in England during the Middle Ages. Oxford: University Press, 1912.
Heer, Friedrich. The Medieval World, Europe from 1100 to 1350. London: Weidenfeld & Nicol-son, 1961.
Heers, Jacques. Le Travail au Moyen Age. Paris: Presses Universitaires de France, 1975.
Janson, H. W. History of Art. New York: Harry N. Abrams, 1969.
Keegan, John. A History of Warfare. London: Hutchinson, 1993.
Koch, H. W. Middeleeuwen. Het Krijgsbedrijf in de Middeleeuwen. Amsterdam-Brussel: Elsevier Nederland BV, 1988.
Konstam, Angus, and Peter Bull. The Forts of Celtic Britiain. Oxford: Osprey, 2006.
Lavelle, Ryan, Donato Spedaliere, and S. Sulemsohn Spedaliere. Fortifications in Wessex c. 800-1066. Oxford: Osprey Publishing, 2003.
_. Hadrian’s Wall a. d. 122-410. Oxford: Osprey, 2003.
Lewis, Archibald R. Emerging Medieval Europe a. d. 400-1000. New York: Alfred A. Knopf, 1967.
Libal, Dobroslav. Chateaux Forts & Fortifications en Europe du Ve au XIXe Siecle. Paris: Ars Mundi, 1993.
Lilley, K. D. Urban Life in the Middle Ages, 1000-1450. London: Palgrave, 2002.
Lobel, M. D. Historic Towns. Volume 1, Oxford: Lovell Johns, 1969; Volume 2, Oxford: Scoler Press, 1975; Volume 3, Oxford: Oxford University Press, 1998.
Maurois, Andre. Histoire d’Angleterre. Paris: Fayard & Cie, 1937.
McEvedy, Colin. The Penguin Atlas of Medieval History. Baltimore: Penguin Books, 1971.
Merian, Matthaeus. Die Schonsten Europaischen Stadte. Hamburg: Hofmann und Campe Ver-lag, 1963.
Neubecker, Ottfried. Gids van de Heraldiek. Amsterdam: Elseviers Uitverij, 1981.
Newark, Tim. Celtic Warriors 400 b. c.-a. d. 1600. Poole: Blandford Press, 1986.
Nossov, Konstantin. Ancient and Medieval Siege Weapons. Staplehurst: Spellmont, 2005.
Painter, Sidney. A History of the Middle Ages 284-1500. London and Basingstoke: Macmillan, 1972.
Paluzie de Lescazes, Carlos. Castles of Europe. Barcelona: EGC S. A (date unknown).
Penoyre, John, and Michael Ryan. British Architecture. London: Frederick Warne, 1951.
Platt, C. The English Medieval Town. London: Martin Secker & Walburg, 1976.
Reid, Stuart, and Graham Turner. Castles and Tower Houses of the Scottish Clans 1450-1650. Oxford: Osprey, 2006.
Reynolds, A. Later Anglo-Saxon England: Life and Landscape. Stroud: Tempus, 1999.
Robinson, John. Windsor Castle Official Guide. London: Royal Collection Enterprise, 1995.
Roe, Derek. Prehistory. London: Paladin-Granad, 1970.
Rumble, A. R. “The Manuscript Evidence: The Known Manuscripts of the Burghal Hidage.” In The Defence of Wessex: The Burghal Hidage and Anglo-Saxon Fortifications, edited by D. Hill and A. R. Rumble. Manchester: University Press, 1996.
Saint John Parker, Michael. Britain’s Kings and Queens. Hants Pitkin Pictorials, 1990.
Salamagne, Alain. Les Villes Fortes au Moyen Age. Paris: Editions Jean-Paul Gisserot, 2002.
Stier, Hans-Erich. Grosser Atlas zur Weltgeschichte. Braunschweig: Georg Westermann Ver-lag, 1956.
Strayer, Joseph R. Feudalism. New York: Van Nostrand Rheinhold, 1965.
Taylor, A. J. Caernarvon Castle and Town Walls. London: Her Majesty’s Stationary Office, 1953 (reprinted and amended 1972).
_. The Welsh Castles of Edward I. London: Hambledon Press, 1986.
Unknown. Roman York from a. d. 71. York: Ebor Press, 1971.
Viollet-le-Duc, Eugene-Emmanuel. Histoire d’une Fortresse. Paris: Berger-Levrault, 1978 (reprint of the 1874 edition).
_, and M. MacDermott. An Essay on the Military Architecture of the Middle Ages. London: J. H. and J. Parker, 1860.
Wilkinson, Frederick. Wapens en Wapenuitrustinge. London: Hamlyn Publishing Group, 1980.
Wood, Marguerite, and J. S. Richardson. Edinburgh Castle. London: Her Majesty’s Stationary Office, 1953.