- Digital Atlas of the Roman Empire: http://dare.ht.lu.se/
- Digital Map of the Roman Empire – https://imperium.ahlfeldt.se/
- Pelagios http://pelagios.org/maps/greco-roman/
- The Digital Atlas of Roman and Medieval Civilizations:h ttps://darmc.harvard.edu/
- EUROPEANA https://www.europeana.eu/it
- http://WWW.FACTUM.ARTE.COM
- ECOSISTEMA DIGITALE PER LA CULTURA
- http://www.iccd.beniculturali.it/