English: Page from "History of the Normans," by Dudo of Saint-Quentin. Dudo, thought to have been dean of the canons at Saint-Quentin monastery, authored a history of the Normans, thought to have been written sometime in the late 10th to early 11th centuries. The history may have been finished after the death of Duke Richard I of Normandy, who commissioned it from the house of Saint-Quentin. Ink and pigments on vellum. Courtesy of the British Library , London.