v. 1. The Christian Roman empire and the foundation of the Teutonic kingdoms.
v. 2. The rise of the Saracens and the foundation of the Western empire.
v. 3. Germany and the Western empire.
v. 4. The Eastern Roman empire (717-1453).
v. 5. Contest of empire and papacy.
v. 6. Victory of the papacy.
.v. 7. Decline of empire and papacy.
v. 8. The close of the Middle Ages.