Information on the career and works of Sextus Aelius Paetus from an Oxford University site (accessed via Google cache (PDF). Retrieved 30 May 2007.Archived 2010-10-02 at the Wayback Machine)
uchicago.edu
penelope.uchicago.edu
However, another source (William Smith's 1875 Dictionary, insists these two works are one and the same - Commentaria tripartita, or Ius Aelianum, also called Tripertita (perhaps a misspelling) [1]; the work, according to this source, apparently contained the Law of the Twelve Tables, an interpretation thereof, and Legis Actiones (actions-at-law).
web.archive.org
Information on the career and works of Sextus Aelius Paetus from an Oxford University site (accessed via Google cache (PDF). Retrieved 30 May 2007.Archived 2010-10-02 at the Wayback Machine)