Valerius Maximianus Galerius
- Information on the life of this Emperor from the Catholic Encyclopedia.
- http://www.newadvent.org/cathen/06341a.htm

Roman Emperors DIR Galerius
- Essay by Michael DiMaio, Jr. of Salve Regina University on the Emperor Galerius.
- http://www.roman-emperors.org/galerius.htm

Galerius and Constantine: Edicts of Toleration 311/313
- Text of this decree which granted tolerance to Christians in the 4th Century.
- http://www.fordham.edu/halsall/source/edict-milan.html

Galerius
- Wikipedia article on the Roman Emperor Galerius.
- http://en.wikipedia.org/wiki/Galerius

Gaius Galerius Valerius Maximianus
- Offers an account of the life, reign, and death of the Emperor Galerius.
- http://www.roman-empire.net/decline/galerius.html

Follis of the Emperor Galerius
- Provides a picture and commentary on coins minted during the reign of Galerius.
- http://www.usask.ca/antiquities/coins/galerius.html