JOSEPH OF ARIMATHIE: OTHERWISE CALLED THE ROMANCE OF THE SEINT GRAAL, OR HOLY GRAIL: AN ALLITERATIVE POEM WRITTEN ABOUT A.D. 1350, AND NOW FIRST PRINTED FROM THE UNIQUE COPY IN THE VERNON MS. AT OXFORD WALTER W. SKEAT 1870
STUDIES ON THE LEGEND OF THE HOLY GRAIL: WITH SPECIAL REFERENCE TO THE HYPOTHESIS OF ITS CELTIC ORIGIN ALFRED NUTT 1888
SERPENTS OF FIRE: NAZI FLYING SAUCERS, THE HOLY GRAIL, AND THE HITLER/HOLLOW EARTH CONNECTION FLORIA BENTON 1983
THE OCCULT AND THE THIRD REICH: THE MYSTICAL ORIGINS OF NAZISM AND THE SEARCH FOR THE HOLY GRAIL JEAN–MICHEL ANGEBERT 1974
THE HIDDEN CHURCH OF THE HOLY GRAAL: ITS LEGENDS AND SYMBOLISM CONSIDERED IN THEIR AFFINITY WITH CERTAIN MYSTERIES OF INITIATION AND OTHER TRACES OF A SECRET TRADITION IN CHRISTIAN TIMES ARTHUR EDWARD WAITE 1909
THE HOLY GRAAL AND OTHER FRAGMENTS; BEING THE UNCOMPLETED PARTS OF THE ARTHURIAN DRAMAS RICHARD HOVEY 1907
MYSTIC GLEAMS FROM THE HOLY GRAIL: THE LEGEND OF SPIRITUAL CHIVALRY, THE MYSTERY OF ITS DIVINE ORIGIN, ITS SECRET IN THE WORLD OF FAERIE AND ITS HIGH INITIATION FRANCIS ROLT-WHEELER 1948
STUDIES LEGEND OF THE HOLY GRAIL; WITH ESPECIAL REFERENCE TO THE HYPOTHESIS CELTIC ORIGIN ALFRED NUTT 1888
THE SAN GREAL: AN INQUIRY INTO THE ORIGIN AND SIGNIFICATION OF THE ROMANCES OF THE SAN GREAL F. G. BERGMANN 1870