Article from the Catholic Encyclopedia on this Roman ruler.

Wikipedia article on the life of the Roman Emperor Gallienus.

Summarizes the reign and accomplishments of this Roman Emperor.

Account by Jordanes of the effectiveness of the Roman Emperor Gallienus's campaign against the Goths in the 3rd Century.

Overview of the life and reign of the Emperor Gallienus.

Information on the lives and reigns of the father-son of Roman Emperors from the 3rd Century.