In his Dialogue with Trypho (c. 106) he cites a fact about the name of Peter from "his Memoirs," and adds also another similar fact about the name given to the sons of Zebedee, just as they are stated in Mark iii.
The chronicler makes frequent reference to earlier histories which he cites by a great variety of names.
As authority Thomas cites a certain Breri, who has now been identified with the Bleheris quoted as authority for the Grail and Gawain stories, and the Bledhericus referred to by Giraldus Cambrensis as famosus ille fabulator.
As illustrating this process Father Braun (p. 170) cites an interesting correspondence between Archbishop Lanfranc of Canterbury and John of Avranches, archbishop of Rouen, as to the propriety of a bishop wearing a chasuble at the consecration of a church, Lanfranc maintaining as an established principle that the vestment should be reserved for the Mass.