The canonical contents of the History are*:
  • I The Ages of the World (Chapters 1-6)
  • II British and Irish Origins:
    • Abridged late Roman cosmography (7-9)
    • Brutus the Roman (Trojan)(10,11)
    • The Picts (12)
    • The Irish (13-15)
    • Date Summary (16)
    • Biblical origins of British (17,18)
  • III The Roman Empire (19-30)
  • IV After the Romans:
    • The Kentish Chronicle (31, 36-38, 43-46)
    • Life of St. Germanus (32-35, 39, 47-49)
    • The Tale of Emrys (40-42)
    • Life of St. Patrick (50-55)
    • Campaigns of Arthur (56)
    • V Northern History:
      • English Genealogies (57-61)
      • Northumbria (61-65)
  • VI The Chronographer (66)
  • Addenda:
    • VII The 28 Cities (66a)
    • VIII The Wonders:
      • of Britain (67-74)
      • of Mona (75)
      • of Ireland (76)