1. University of Pennsylvania, Oversize Ms. Codex 722 Title: Expositiones difficiliorum vocabulorum Author: William Brito Place: Royaumont Date: [1350?]
2. Cornell University, Archives 4600 Bd. Ms. 15 Title: Expositiones vocabulorum biblie Author: William Brito Place: England Date: between ca. 1300 and ca. 1325.