Bks. I ⁠–⁠ IV ), the English metrical romance La Morte Arthur of the Thornton manuscript ( Bk. V ), the French romances of Tristan ( Bks. VIII ⁠–⁠ X ) and of Launcelot ( Bks. VI , XI ⁠–⁠ XIX ), and lastly to the English prose Morte Arthur of Harley MS. 2252 (