Gladiator, The Story Behind The Movie
- Information about Commodus based on the writings of Roman historian Cassius Dio.
- http://www.awesomestories.com/tyranny/gladiator/gladiator_ch4.htm

Gladiator Characters: Commodus
- Account of the Emperor Commodus based on the slightly ficticious telling in the film Gladiator.
- http://www.patriotresource.com/gladiator/characters/commodus.html

Emperor Commodus
- Overview of the life and reign of this infamous Roman Emperor.
- http://www.roman-empire.net/highpoint/commodus.html

Commodus (A.D. 180-192)
- Provides a biography of the life and reign of the Emperor Commodus.
- http://www.roman-emperors.org/commod.htm

Commodus (161 AD to 192 AD)
- Offers a summary of the life of this 2nd Century Roman ruler.
- http://library.thinkquest.org/26907/emperors/commodus.htm

Commodus
- Information on the Roman ruler from the Catholic Encyclopedia.
- http://www.newadvent.org/cathen/04166a.htm