Historical map of the Roman
Suburbicarian (Cardinal) Bishoprics about the 12th Century.
- Seat of a cardinal bishopric
- Seat of a suppressed cardinal bishopric
University of Texas at Austin.
Historical Atlas by William Shepherd (1923-26).
About Servius Tullius
Map of Rome in the Middle Ages
Map of the Vicinity of Rome
Map of Rome 350 AD
Map of the Roman Bishoprics 12th Century