 The suggestion of Carl Nordenfalk that the Codex Luxemburgensis copied by Peiresc was actually the Roman original has not been accepted.Peiresc himself thought the manuscript was seven or eight hundred years old when he had it, and, though Mabillon had not yet published his "De re diplomatica" (1681), the first systematic work of paleography, most scholars, following Meyer Schapiro, believe Peiresc would have been able to make a correct judgement on its age.For a full list of manuscripts with copies after the originals, see the external link.