Bibliografía en otros idiomas.

- Adolf, H. - Visio Pacis: Holy City and Grail, - Pensylvania State University Press, 1960.
- Albercht Von Schrfen-Burg - The Younger Titurel
- Ashe, G. - King Arthur´us Avalon, The history de Glastombury - Fontana, 1973.
- Ashe, G. - the quest for arthur's britain - Londres, 1968.
- Ashe, G. - From Caesar to Arthur - Londres, 1960.
- Barber R. - King Arthur in legend an history - Londres, 1961.
- Barber R. - The arthurian legends. An ilustrated anthology - Woodbrige, 1979.
- Birch-Hirschfeld - Die sage vom Gral - Leipzig - 1877.
- Boisserée - Ueber die Beschreibung des Temples des heil. Graal - Munich, 1834.
- Borron Robert de - The Didot Perceval
- Brinkley R. F. - Arthurian Legend in the Seventeeth Century - Baltimor, 1932.
- Bryant, N. - The High Book of the Grail - D.S. Brewer, Cambridge, 1978.
- Bryce, D. - The Mystical Way and The Arthurian Quest - Llanerch Enterprises, Llanerch, Dyfed, 1986.
- Bumke J. - Wolfram Von Eschembach - Stuttgart, 1970.
- Cavendish, R. - King Arthur and the Grail - Weidenfeld & Nicholson, 1978.
- Cooper-Okley, I. - Masonary and Medieval Mysticism - Theosophical Publishing House, 1977.
- Currer-Briggs, N. - The Shroud and the Grail - Weidenfeld & Nicholson, 1987.
- Chértien de Troyes - Arthurian Romances - Trans. by D.D.R. Owen. J.M.Dent, 1987.
- Darrah J. - The real Camelot, paganism and the arthurian romances - Londres, 1981.
- De Sede, G. - La Rose Croix - J´ai Lu, París, 1978.
- De Sede, G. - Les Templiers - J´ai Lu, París, 1969.
- Evans, S. - In Quest of the Holy Grail - J.M. Dent, 1898.
- Faral E. - La légende de arthurienne, estudes et documents - París, 1929.
- Frappier - Chrétien de Troyes et le mythe du Graal - París, 1972.
- Frappier - Etude sur la morte le roi artu - París, 1936.
- Grantz, J. Trans - The Mabinogion - Penguin Books, Harmondsworth, 1985.
- Gardner, E. - Arthurian Legends in Italian Literature, - Octagon Books, Nueva York, 1971.
- Geoffrey of Monmouth - The History of The Kings of Britain - Trans. by Lewis Thorpe, Penguin Books, Harmondsworth,1966.
- Geoffrey of Monmouth - The Vita Merlini - Trans. by J.J. Parry - University of Ilinois, 1925.
- Goetink G. W. - Peredur: astudy of welsh tradition in the Gral legends - Cardiff, 1965.
- Gonnont Michel - Le livre de Lancelot - 1479.
- Guest Lady C. - The c - Jhon Jones, Cardiff, 1977.
- Hagen Paul - Der Gral - Estrasburgo, 1900.
- Hall M.P. - Orders of the Quest: The Holy Grail - The Philosophical Research Soc. , Los Angeles, 1976.
- Heinzel - Ueber die französischen Gralromance, en Denkschriften der Wiener Akademie - 1891.
- Hertz H. - Parzival von Wolfran von Eschenbach, neu bearbeitet - Stuttgart, 1898.
- Jung, E.& M. -L. Von Franz - The Grail Legends - Hodder & Stoughton, 1971.
- Karr P.A. - The King Arthur Companion - Chaosium Inc.,Albany, 1983.
- Kellermann W. - Aufbaustil und weltbild chrestiens von Troyes in Perceval roman - Halle, 1938.
- Kenenedy, B. - Knighthood in the Morte d´Arthur - D. S. Brewer, Cambrige, 1986.
- Knigth, G. - The Secret Tradition in Arthurian Legend - Aquarian Press, 1983.
- Lancy N.J. & G. Ashe - The Arthurian Handbook - Garland Publishing Inc. Nueva York, 1986.
- Loomis R.S. - Arthurian literature in the Middle Ages - Oxford, 1959.
- Loomis R.S. - The Development of Arthurian Romance. - Columbia University Press, Nueva York, 1927.
- Loomis R.S. - The Grail, from Celtic Myth to Christian Symbol - Cardiff - Nueva York, 1963.
- Loomis R.S. - Celtic Myth & Arthurian Romance - Columbia University Press, Nueva York,1927.
- Loomis R.S. - Wales & the Arthurian Legend - Umniversity of Wales Pres, 1956.
- Lot F. - Etude sur le Lancelot en prose - París 1918.
- Macgregor, R. - Indiana Jones and the Last Crusade - Sphere, 1989.
- Malory, Sir Thomas - Book of The San Greal.
- Malory, Sir Thomas - Le Morte D´Arthur - University Books, Nueva York, 1961.
- Machen Arthur - El Gran Retorno.
- Markale, J. - Le Roi Arthur et la société celtique - París, 1976.
- Markale, J. - King Arthur King of Kings - Gordon Cresmonesi, 1977.
- Martin - Die Gralsage - Estrasburgo. 1880.
- Marx J. - La legende athuriene et le Graal - París, 1952.
- Marx J. - Novelles Recherches sur la Littérature Arthurienne - París, 1965.
- Matarasso P. - The quest of the Grail - Penguin Books, Harmondsworth, 1969.
- Matthews, C. - Arthur and the Sovereignty of Britain, - Arkana, 1989.
- Matthews, C. - Mabon and the Mysteries of Britain, - Arkana, 1987.
- Matthews, C. - Elements of Celtic Tradition, - Elemnet Books, 1989.
- Matthews, J. - Gawain, Knight of the Goddess, - Aquarian Press. 1990.
- Matthews, J. - The Household of the Grail, - Aquarian Press. 1990.
- Matthews, J. - The Grail, Quest for Eternal Life, - Thames & Hudson, 1981.
- Matthews, J. - Taliesin: Shamanic Mysteries in Britain and Ireland, - Unwin Hyman, 1990.
- Matthews, J. & C. - The Arthurian Tarot: a Hallowquest, - Aquarian Press, 1990.
- Matthews, J. & Green, M. - The Grail Seekers Companion. - Aquarian Press, 1988.
- Matthews, J. & Stewart, R.J. - Warriors of Arthur, - Blandford Press, Poole ,1987.
- Nelli R. - Lumiére du Graal - París 1951.
- Newell - The Legend of Holy Grail - Massachusetts, 1902.
- Newstead, H. - Bran the Blessed in Arthurian Romance, - Columbia University Press, Nueva York, 1939.
- Niel Fernand - Montesegúr, La montagne Inspirée.
- Nott A. - The Legends of the Holy Grail - Londres, 1902.
- Oldenbourg, Z. - Massacre at Montesegur, - Weidenfeld, 1961.
- Pastorean M. - La vie quotidienne en France et en Angleterre au temps des chevaliers de la Table Ronde - París, 1976.
- Pearshall, L.B. - The Art of Narration in Wolfram´s Parzival & Albercht´s Jungerer Titurel, - Cambrige University Press, 1981.
- Pochada E. - Arthurian propaganda: le Morte d'arthur as an historical ideal of life - Chapel Hill, n. c., 1971.
- Reimschneider M. - Antiker mythos und Mittelalter. Quellen und parallelen der Gral und artussagen - Leipiz, 1967.
- Rhys - The Origin of the Holy Grail, en Studies in the Arthurian Legend - Oxford, 1891.
- Rolt-Wheeler, F. - Mystic Gleams From the Holy Grail Rider, - 1945.
- Ruciman, S, - The Medieval Manichee, - Cambrige University Press, 1969.
- Saint-Loup - Noveaux Cathares pour Montsegur - 1969.
- Skeeles, D. - The Romance of Perceval in Prose, - University of Minesota Press, Minapolis, 1959.
- Skrine J. H. - Sermons to Pastors and Masters - Londres, 1910.
- Stein, W.J. - The Ninth Century and The Holy Grail, - Temple Lodge Press 1989.
- Steiner - The Golden Blande Issue Nº 33. - Rudolf Steiner Press, 1981.
- Steiner, R. - Christ and the Spiritual World, and The Search for the Holy Grail, - Rudolf Steiner Press, 1963.
- Stewart, R.J. - The Profetic Vision of Merlin, - Arkana, 1986. - Stewart, R.J. - The Mystic Life of Merlin, - Arkana, 1986.
- Topsfield, L. - Chrétien de Troyes: a Study of Arthurian Romance, - Cambrige University Press, 1981.
- Turlin Heinrich von - Diu Crone. - Ulrich Füeter - Buch der abntever - 1487.
- Von Eschembach, Wolfram - Parzival, - Trans. by A. Hatto, Penguin Books, Harmondsworth, 1980.
- Von Eschembach, Wolfram - Titurel - Wolfram von Eschembach, - Wilhelmhaml - Zarncke - Der Graltempel - Leipzig, 1876.
- Wais K. - Der arthurische roman - Darmstadt, 1970.
- Wace R. - Roman de Brut. - Waite A. E. - The Hidden Church of the Holy Grail - Londres, 1898.
- Wechssler Ed.- Die Sage vom heil. Gral in inhrer Entwickelung bis auf Wagners Parsifal - Halle, 1898.
- Weston J. L. - From ritual to romance - Cambridge, 1920.
- Weston J. L. - Notes on The Grail Romances - Weston J. L. - The Quest of The Holy Grail - Londres 1913.
- Weston J. L. - The Legend of Sir Perceval - Londres, 1906.
- Weston J. L. - Sir Perceval Studies - Londres, 1909.
- Willy-Staerk - Ueber den Ursprung der Grallegende - Tubinga, 1903.
- Wilson, I. - The Turin Shroud, - Gollancz, 1979.
- Zumthor P. - Merlin le prophéte - Laussanne, 1943.