Historical source study of the last text in the composite manuscript Lon- don, BL Cotton Faustina B.iii can shed light on the transmission and use of chronicle texts and their translations in late medieval England. The author of the Middle English verse Life of St. Æthelthryth used John Trevisa’s English translation of Ranulf Higden’s Polychronicon rather than the Latin text as the primary source for the historical section of the Life (lines 1–110).