1. Boston Public Library, MS f Med.12 DS ID: DS3327 Title: Historia scholastica]. Author: Petrus Comestor Place: France Date: between 1175 and 1199
2. The Huntington Library, Art Museum, and Botanical Gardens, mssHM 34807 DS ID: DS9844 Title: Historia scholastica Author: Petrus Comestor Place: England Date: between 1250 and 1299