Pars Novæ Chronicæ Ricardi Rede, incipiens in narratione rerum ab Arvirago gestarum, (a verbis "— defuncti induit Britones ad pugnam, animabat quasi ipse Guiderius esset,") et desinens sub regno Will I., in verbis, "— ita quod pater in brachio vulneratus, et de equo —", Date not recorded at time of cataloguing