books.google.co.uk - The story of the final battle of the First Crusade The most extraordinary siege in medieval history began with the arrival of a Christian army at Jerusalem on the dawn of Tuesday, 6 June, 1099. Other sieges may have lasted longer, involved greater numbers of troops, and deployed more siege engines but...http://books.google.co.uk/books/about/The_Siege_of_Jerusalem.html?id=COJC0H77EUEC&utm_source=gb-gplus-shareThe Siege of Jerusalem
