The Holy Grail is central to the Arthurian literature. The lighthearted journeys for women and adventure build up to the journeys of the soul. It becomes clear that these earlier journeys were also not really what they seemed to be, not really journeys on horseback and clothed in armor, but journeys of the spirit. Contents: The Holy Vessel and its Literature; Holy Grail in its Manifestation and Removal; The Conte Del Graal; Cycle of Robert De Borron; Vulgate Cycle of the Holy Grail; Other and Later Texts of the Grail Legend; German Cycle of the Holy Grail; Welsh and English Texts; Critical Aparatus in Respect of the Grail Cycles: Celtic Hypothesis; Further Critical Apparatus: The Schools, the Churches, and the Sects; Further Critical Apparatus: The Ritual Hypothesis; Secret of the Holy Grail; Bibliography of the Holy Grail.