Historia Anglorum

The British Library's manuscript is the only complete copy of the Historia Anglorum, a history of England covering the years 1070-1253,
composed and written by Matthew Paris between 1250-1255, and also includes part III of the Chronica Maiora by Matthew Paris, covering the years 1254-1259.
The manuscript includes numerous shields with coats of arms upright or inverted, indicating births, coronations, or deaths of kings, nobles, clerics, and knights.