公同書簡
The Codex Corbeiensis I, designated by ff1 or 9 (in the Beuron system), is an 8th, 9th, or 10th-century Latin New Testament manuscript. The text, written on vellum, is a version of the old Latin. The manuscript contains 39 parchment folios with the text of the four Gospels, Acts of the Apostles, and General epistles.