Epistle of Marcus Aurelius to the Senate
- Gives the text of this letter in which the emperor gives credit for his victories to the Christians.
- http://ccel.org/ccel/schaff/anf01.viii.ii.lxxi.html

The Emperor Marcus Aurelius
- A brief biography with bibliography by Amanda K. McVety, hosted by North Park University.
- http://campus.northpark.edu/history/WebChron/Mediterranean/MAurelius.CP.html

Emperor Marcus Aurelius
- An overview of his life and reign from the Illustrated History of the Roman Empire.
- http://www.roman-empire.net/highpoint/marcaurelius-index.html

On the Virtue of Antoninus Pius (r. 138-161 CE)
- Text of this work by Marcus Aurelius.
- http://www.fordham.edu/halsall/ancient/marcusaurelius-anton1.html

Wikipedia: Marcus Aurelius
- Illustrated biography of the emperor in this online encyclopedia.
- http://en.wikipedia.org/wiki/Marcus_Aurelius

Island of Freedom: Marcus Aurelius Antoninus
- Offers a brief biography, drawn from three encyclopedias.
- http://www.island-of-freedom.com/AURELIUS.HTM

Marcus Aurelius
- Short biography at Encarta Online.
- http://encarta.msn.com/encnet/refpages/RefArticle.aspx?refid=761576162

The Reign of Marcus Aurelius
- The Ancient History Sourcebook presents a 4th century profile written by Eutropius.
- http://www.fordham.edu/halsall/ancient/eutropius-marcusaurelius1.html

The Meditations
- Full text of the twelve books, from the MIT Internet Classics Archive.
- http://classics.mit.edu/Antoninus/meditations.html

Marcus Aurelius Antoninus
- Article from the Catholic Encyclopedia.
- http://www.newadvent.org/cathen/02109a.htm