| Part Three. Sacrum Imperium | |
| 1. Introduction | 29 |
| §1. The General Structure of the Middle Ages | 29 |
| §2. The Migrations | 30 |
| a. The Germanic Migration Process | |
| b. The Asiatic Migration Process | |
| c. The Germanic Migration Kingdoms | |
| d. Peculiarities of the Frankish Foundation | |
| §3. The Isolation of the West | 33 |
| §4. Spiritual Politics | 36 |
| §5. Consequences for the Presentation of Ideas | 38 |
| A. The Rise of Empire | |
| 2. The Germanic Tribes of the Migration | 41 |
| §1. General Structure of the Germanic Myth | 41 |
| §2. The Frankish Myth | 42 |
| §3. The Ostrogoth Myth | 43 |
| §4. The Burgundian Myth—The Myth of the Defeat | 45 |
| §5. The Myth of the Defeat in Later German History of Ideas | 46 |
| §6. Kingship and National Existence | 46 |
| §7 Theory of Kingship in Later French History of Ideas | 49 |
| 3. The New Empire | 52 |
| §1. The Transfer of Empire | 52 |
| §2. Gelasius—The Separation of Spiritual and Temporal Powers | 52 |
| §3. The Western Reaction toward the Policy of Constantinople | 54 |
| §4. The Breakdown of Byzantine Power in the West | 54 |
| §5. The Legal Construction of the Roman Empire in the Migration Period | 55 |
| §6. The Rapprochement of the Papacy and the Frankish Power | 57 |
| §7. The Coronation of Charlemagne | 58 |
| §8. The Donation of Constantine | 59 |
| §9. The Territorial Church—The Capitulary of 802 | 60 |
| §10. Difference between the Western and Byzantine Dynamics of Empire | 61 |
| §11. The Integration of the Persona Regalis into the Mystical Body | 62 |
| §12. The Monasteries—The Rule of Saint Benedict | 63 |
| 4. The First Reform | 65 |
| §1. The Growth of an Evocation | 65 |
| a. A Model Case | |
| b. The Tension between Idea and Reality | |
| c. Domination of the Spirit | |
| §2. The Waves of Monastic Reform | 68 |
| a. The Reform of Cluny—The soveriegn Order | |
| b. Anchoritic Reform—Spiritual Intenseness | |
| c. The Cistercian Reform—The Charter of Charity | |
| §3. The Spirit Militant | 72 |
| a. The Crusades | |
| b. The Military Orders | |
| aa. The Templars | |
| bb. The Teutonic Order | |
| cc. A Comparison: The Mystic-Warrior Ideal of Kamakura | |
| dd. The Political Soldier | |
| c. The Mendicant Orders | |
| §4. The Investiture Controversy | 81 |
| a. Decline and Reform of the Papacy | |
| b. The Problem of Simony—Peter Damian | |
| c. Thge Pataria—Bonizo of Sutri | |
| d. The Controversy—Papal and Imperial Arguments | |
| e. Gregory VII | |
| §5. Cardinal Humbert | 91 |
| §6. The Tractatus Eboracenses | 94 |
| B. The Structure of the Saeculum | |
| 5. Introduction | 105 |
| §1. The New Forces | 105 |
| §2. The Saeculum Renascens | 107 |
| §3. The Problem of the Intramundane Order | 109 |
| §4. The Principal Questions | 111 |
| 6. John of Salisbury | 113 |
| §1. The New Characterology | 113 |
| §2. Feudalism | 117 |
| §3. The Commonwealth | 121 |
| §4. Tyrannicide | 122 |
| 7. Joachim of Fiore (Flora) | 126 |
| §1. The Structure of Christian History | 126 |
| §2. The Three Realms | 128 |
| §3. The Constant Elements of the New Political Speculation | 130 |
| a. The Meaning of History | |
| b. The Function of the Political Thinker | |
| c. The Leader of the Third Realm | |
| §4. The Brotherhood of Autonomous Persons | 132 |
| 8. Saint Francis | 135 |
| §1.The Praise of Virtues | 135 |
| §2. The Life of Poverty | 137 |
| §3. The Submission to the Church | 138 |
| §4. The Ecclesia of the Laymen | 139 |
| §5. The Conformance with Christ—Nature | 140 |
| §6. The Intramundane Christ | 142 |
| 9. Frederick II | 144 |
| §1. The Peripeteia of the Empire | 144 |
| §2. The Constitutions of Melfi | 149 |
| §3. Caesarean Christianity | 157 |
| 10.The Law | 160 |
| §1. Western Law and Roman Law | 160 |
| §2. The Myth of Roman Law | 162 |
| a. The Ciceronian Stratum of the Myth | |
| b. The Codification of Justinian | |
| aa. The Canonization of Roman Law | |
| bb. The Christian Absolute Order | |
| cc. The Amalgamation of the Roman and Christian Ideas | |
| c. The Lex Generalis —The Expositio ad Librum Papiensem | |
| §3. The Bolognese Revival | 168 |
| §4. Effects of the Revival | 171 |
| a. Influence on Legal Theory | |
| b. Bologna and Imperial Politics | |
| c. The Decretum Gratianum | |
| d. The Constitutions of Melfi and the Extra | |
| §5. The Deliberatio Papae of Innocent III | 174 |
| 11. Siger de Brabant | 178 |
| §1. Aristotelianism | 178 |
| §2. Faylasuf | 183 |
| a. Greek Preformation of the Problem | |
| b. Neoplatonic Mysticism in Arabic Aristotelianism | |
| c. The Mythical Aristotle | |
| d. The Faylasuf and Islamic Orthodoxy | |
| §3. The Intellectual | 187 |
| a. The Western Philosopher and Christianity | |
| b. Faith and Reason | |
| c. The Praise of the Philosopher | |
| d. The Intramundane Unit of the Species | |
| e. Utilitarian Ethics | |
| f. The Structure of Immanent History | |
| g. Ethical Activism | |
| §4. Poverty | 198 |
| a. The Ideal of Poverty | |
| b. Gerard of Borgo San Donino—The Evangelium Aeternum | |
| c. William of Saint Amour—The Ethics of Work | |
| d. Bertrand of Bayonne—The Spritual Hierarchy | |
| e. Gérard of Abbeville—The Episcopal Authority | |
| §5. Conclusion—The Foundation of the Political Renaissance | 204 |
| C. The Climax | |
| 12. Saint Thomas Aquinas | 52 |
| §1. History | 207 |
| a. Truth and Being | |
| b. The Christian Intellectual | |
| c. Faith and Reason | |
| d. Intellectual Propaganda | |
| e. The Hierarchies | |
| f. The Evangelium Aeternum—Western Imperialism | |
| g. The Historical Mind | |
| §2. Politics | 215 |
| a. The Reception of Artistotle—Humanism | |
| b. The Dedication to Cyprus | |
| c. The Prince—Divine Analogue | |
| d. The Community of Free Christians | |
| e. The Theory of Constitutional Government | |
| §3. Law | 223 |
| a. The Four Types of Law | |
| b. The Definition of Law | |
| c. The Theory of Natural Law | |
| d. Human Law—Positive Law | |
| e. The Old Law—The Property Society | |
| f. The New Law—Justification by Faith | |
| §4. Conclusion | 231 |