Rome and Constantine -- The Christianization of Rome and the Romanization of Christianity -- The Times of Gregory the Great -- Rome between East and West -- Renewal and Renascence: The Carolingian Age -- Realities, Ideologies, and Rhetoric -- The New Rebirth of Rome: The Twelfth Century -- The Thirteenth Century: An Epilogue -- The Evidence -- The Inheritance -- Growth of the Bargo -- The Abitato -- Houses, Towers, and Mansions -- The Disabitato and the Lateran