[Here follow the Chapters of the Thirteenth Book.]
How at the Vigil of the feast of Pentecost entered into the hall before king Arthur a damsel, and desired Sir Launcelot for to come and dub a knight, and how he went with her. [Chap. i.]
How the letters were found written in the Siege Perilous, and of the marvellous adventure of the sword in a stone. [Chap. ii.]
How Sir Gawaine assayed to draw out the sword, and how an old man brought in Galahad. [Chap. iii.]
How the old man brought Galahad to the Siege Perilous, and set him therein, and how all the knights marvelled. [Chap. iv.]
How king Arthur shewed the stone hoving on the water to Galahad, and how he drew out the sword. [Chap. v.]
How king Arthur had all the knights together for to just in the meadow beside Winchester or they departed. [Chap. vi.]
How the queen desired to see Galahad; and after all the knights were replenished with the holy Sangreal, and how all they avowed the enquest of the same. [Chap. vii.]
How great sorrow was made of the king and ladies for the departing of the knights, and how they departed. [Chap. viii.]
How Galahad gat him a shield, and how they sped that presumed to take down the said shield. [Chap. ix.]