1. Free Library of Philadelphia, Lewis E 244 Title: Infortiatum Author: Justinian I and Accursius Place: Bologna Date: 1270-1280
2. University of Missouri, RARE RES PA6624.A4 1150 Title: Institutiones grammaticae and On diphthongs Author: Priscian Place: Austria Date: s. XII(3/4); 1150-1175