In the Graeco-Roman Epitome Legum,
composed about A. D. 945 by one Embatus, and preserved in MS. at Florence (Cod. Laurent. 80.6), it is stated, that Servius Cornelius was employed by the emperor Hadrian, in conjunction with Salvius Julianus, to collect, arrange, and remodel the edictum perpetuum.
The passage (which, though the lateness of its date diminishes its value, is the most explicit of the few that relate to this obscure part of legal history) is given by Klenze. (Lehrbuch der Gesch. des Röm. Rcchts.