Anglo-Saxon Chronicles

Bede -- History of the English Church and People

Anonymous--Culhwch and Olwen

Gerald of Wales -- The Discovery of the Tomb of King Arthur

Gildas -- On the Ruin and Conquest of Britain

Part 1 -- chapters 1-55

Part 2 -- chapters 56-110

Nennius -- Historia Brittonum

Anonymous--Pa Gur yv y Portaur?