The earliest and most instructive document of the Aquileian Rite is a capitulare of the eighth century added by a Lombard hand to the "Codex Richdigeranus" of the sixth century.
An early document of the Aquileian Rite is found in an eighth-century capitulare added to the "Codex Richdigeranus," which was compiled in the sixth century, by a Lombard scribe.