1. Newberry Library & Western Michigan University, VAULT folio Case MS 155 & Newberry / WMU MS 1 DS ID: DS6371 Title: Processional Author: Catholic Church Date: approximately 1250
2. University of Chicago, Codex Ms. 156 DS ID: DS16722 Title: Commentary on Sentences Author: Richard Fishacre Place: England Date: between 1275 and 1350