- Gold multiple medallion minted in Ticinum, 313 AD. Wt. 39.79 g. Busts of Constantine with Sol Invictus. Cabinet des Médailles (Bibliothèque nationale), Beistegui 233. Wt. 39.79 g.PD Courtesy Marie-Lan Nguyen
- Arch of Constantine as seen from the Colosseum in Rome.CC Flickr User Jake&Brady
- Image ID: 1803182 Constantine the Great. (288-337.) (ca. 1922-1939)NYPL Digital Gallery