Matthews, John, The Elements of the Grail Tradition, Element Books, Shaftesbury, 1990

[KCL]

Gral: , 454,27-454,30 (72), 469,3-469,24 (52), 470,1-470,15 (42), 495,1-495,6 (71), 656,25-657,26 (95), 778,19-778,23 (57)