1. University of Pennsylvania, Ms. Codex 1243 DS ID: DS980 Title: Institutiones grammaticae Author: Priscian Place: Paris Date: between 1250 and 1299
2. Ohio State University, Spec.Rare.MS.MR.Frag.459 DS ID: DS11876 Title: Institutiones grammaticae Author: Priscian Place: Italy Date: ca. 1275