Tolong jelaskan mengenai Catatan penjelas dari Hengest dan Horsa

Lyon,  Bryce. "From Hengist and Horsa to Edward of Caernarvon: Recent writing on English history" in Elizabeth Chapin Furber, ed. Changing views on British history: essays on historical writing since 1939 (Harvard University Press, 1966), pp 1–57; historiography

Lyon,  Bryce. " Change or Continuity: Writing since 1965 on English History before Edward of Caernarvon," in Richard Schlatter, ed., Recent Views on British History: Essays on Historical Writing since 1966 (Rutgers UP, 1984), pp 1–34, historiography