1. Boston Public Library, MS f Med.12 Bookmark DS ID: DS3327 Title: Historia scholastica]. Author: Petrus Comestor Place: France Date: between 1175 and 1199
2. University of Chicago, Codex Ms. 120 Bookmark DS ID: DS16713 Title: Historia scholastica Author: Petrus Comestor Place: Germany Date: between 1200 and 1250