Aldhouse-Green, Miranda. Celtic Goddesses. London: British Museum Press, 1995.
———. Celtic World. Hampshire, UK: Routledge, 1995.
Aldhouse-Green, Miranda, and Ray Howell. Celtic Wales. Cardiff: University of Wales Press, 2000
Ashe, Geoffrey. Avalonian Quest. London: Metheun, 1982.
Barber, Chris, and David Pykitt. Journey to Avalon: The Final Discovery of King Arthur. Newburyport, MA: Weiser Books, 1997.
Bardon, Franz. Initiation into Hermetics. Blue Ridge Summit, PA: Brotherhood of Life, 1993.
Benham, Patrick. The Avalonians. Somerset, UK: Gothic Image Publications, 1993.
Blake, Steve and Scott Lloyd. The Keys to Avalon. Rockport, MA: Element Books, 2000.
Bord, Janet, and Colin Bord. Guide to Ancient Sites in Britain. Chicago:Academy Chicago, 1981.
Brennan, J. H. Astral Doorways. Newburyport, PA: Weiser Books, 1972.
Bromwich, Rachel, ed. Trioedd Ynys Prydein—The Welsh Triads. Cardiff: University of Wales Press, 1961.
Chalice Well Trust. The Chalice Well, Glastonbury, Information Booklet, (n.d.).
Coles, John, and Stephen Minnitt. Industrious and Fairly Civilized: The Glastonbury Lake Village. Somerset Levels Project and Somerset County Council Museums Service, 1995.
Cunliffe, Barry. Iron Age Communities in Britain: An Account of England, Scotland and Wales from the Seventh Century bc until the Roman Conquest. Hampshire, UK: Routledge, 1974.
Ford, Patrick K. The Mabinogi, and Other Medieval Welsh Tales. Berkeley: University of California Press, 1977.
Fortune, Dion. Glastonbury: Avalon of the Heart. Newburyport, PA: Weiser Books, 2000.
———. Mystical Qabalah. Newburyport, PA: Weiser Books, 2000.
Geoffrey of Monmouth. The History of the Kings of Britain. Translated by Lewis Thorpe. Chicago: Penguin, 1983 (1966).
———. “The Life of Merlin.” Translated by John Jay Parry, in University of Illinois Studies in Language and Literature, vol. X, no. 3, The University of Illinois, Urbana, IL., 1925 Retrieved from: http://www.sacred-texts.com/neu/eng/vm/
Gibbs, Ray. The Legendary Twelve Hides of Glastonbury. Somerset, UK: Llanerch Enterprises, 1988.
Goodman, Felicitas. Ecstatic Trance: New Ritual Body Postures. Haarlem, Netherlands: Binkey Kok Publications, 2003.
Graves, Robert. The White Goddess: A Historical Grammar of Poetic Myth. London: Octagon Books, 1972.
Grieve, Maud. A Modern Herbal, Volume 2. New York: Dover Publications, 1971.
Harding, Derek William. The Iron Age in Lowland Britain. Hampshire, UK: Routledge, 1974.
Hawkins, Desmond. Avalon and Sedgemoor. Cornwall, UK: Tabb House, 1989.
Jones, Kathy. In the Nature of Avalon. Somerset, UK: Ariadne Publications, 2000.
Keightley, Thomas. The Fairy Mythology, Illustrative of the Romance and Superstition of Various Countries. London: H. G. Bohn, 1870.
Kondratiev, Alexei. The Apple Branch: A Path to Celtic Ritual. New York: Kensington Books, 2003.
Lonegren, Sig. Mid-Atlantic Geomancy—Labyrinths (n.d.). Retrieved from http://www.geomancy.org/labyrinths/index.html
Malory, Thomas. Le Morte D’Arthur. New York: Modern Library, 1999.
Mann, Nicholas. Glastonbury Tor: A Guide to the History and Legends. London: Annenterprise, 1985.
———. The Isle of Avalon Sacred Mysteries of Arthur and Glastonbury.Somerset, UK: Green Magic, 2001.
Markale, Jean. Women of the Celts. Rochester, VT: Inner Traditions, 1986.
Matthews, Caitlin. The Celtic Tradition. Rockport, MA: Element Books, 1996.
Matthews, John. Tales of the Celtic Otherworld. London: Blandford, 1998.
McHardy, Stuart. The Quest for the Nine Maidens. Edinburgh, UK:Luath Press, 2003.
Michell, John. New Light on the Ancient Mystery of Glastonbury. Somerset, UK: Gothic Image Publications, 1990.
Plants for a Future. “Isatis tinctoria.” Retrieved from
http://www.pfaf.org/database/plants.php?Isatis+tinctoria, 2000.
Possehl, Gregory. The Indus Civilization: A Contemporary Perspective. Lanham, MD: AltaMira Press, 2003.
Rahtz, Philip. Glastonbury: Myth and Archaeology. London:Trafalgar Square, 2003.
Reade, W. Winwood. The Veil of Isis, or, Mysteries of the Druids. Newcastle, CA: Newcastle Publishing Company, Inc., 1992.
Regardie, Israel, et al. The Middle Pillar: The Balance Between Mind and Magic. St. Paul, MN: Llewellyn Publications, 1998.
Roberts, Anthony. Glastonbury: Ancient Avalon, New Jerusalem. London: Rider & Company, 1978.
Rolleston, T. W. Celtic Myths and Legends. Dover Publications, 1990.
Rolleston, Thomas. Myths and Legends of the Celtic Race. London: G. G. Harrap & Company, 1911. Retrieved from
http://www.sacred-texts.com/neu/celt/mlcr/index.htm
Skene, William F. The Four Ancient Books of Wales. London: Edmonston and Douglas, 1868. Retrieved from http://www.sacred-texts.com/neu/celt/fab/index.htm
Spence, Lewis. The Mysteries of Britain: Secret Rites and Traditions of Ancient Britain. London: Senate, 1994.
Tennyson, Alfred. Idylls of the King. Chicago: Penguin Books, 1989.
Three Initiates. Kybalion: A Study of the Hermetic Philosophy of Ancient Egypt and Greece. Batavia, IL: Yoga Publication Society, 1908.
West, Melissa Gayle. Exploring the Labyrinth: A Guide for Healing and Spiritual Growth. New York: Broadway, 2000.
Wilde, Lyn. Celtic Women: In Legend, Myth and History. Poole, UK: Blandford, 1997.
Williams, Mary, ed. Glastonbury and Britain: A Study in Patterns. East Sussex, UK: Research Into Lost Knowledge Organization (RILKO) Books, 1990.
Wright, John F. A Compilation of Triads: The Traditional Laws, Customs, and Wisdoms of The Pre-Christian Celtic People Of What Is Now Known As Scotland, Wales, And Ireland, 1995. Retrieved from http://www.featherlessbiped.com/rowanhold/3things.htm