Carus Dynasty
- Article detailing the lives of the three emperors in this short lived Roman dynasty.
- http://www.garstang.us/emperors/carusdyn.htm

Roman Imperial Coins of Carus
- Provides a commentary and pictures on the coins minted during the reign of Carus.
- http://www.wildwinds.com/coins/ric/carus/i.html

Roman Emperors - DIR Carus
- Essay on the brief but successful reign of this 3rd Century Roman ruler. It is written by William Leadbetter of Edith Cowan University.
- http://www.roman-emperors.org/carus.htm

Marcus Aurelius Numerius Carus
- Gives an overview of the life and reign of the Roman Emperor Carus.
- http://www.roman-empire.net/decline/carus.html

The History of the Decline and Fall of The Roman Empire - Vol 1 - Chapter XII Part II
- Chapter in this work which describes the reign of the Emperor Carus.
- http://www.worldwideschool.org/library/books/hst/roman/TheDeclineandFallofTheRomanEmpire-1/chap34.html

Carus
- Wikipedia entry on the life and reign of this Roman Emperor.
- http://en.wikipedia.org/wiki/Carus