Baigent, Michael, et al. Holy Blood, Holy Grail. New York: Dell, 1983.

Bradley, Marion Zimmer. The Mists of Avalon. New York: Del Ray, 1987.

Kellmeyer, Steve. Fact and Fiction in The Da Vinci Code . Peoria, Illinois: Bridegroom Press, 2004.

Leloup, Jean-Yves, et al. The Gospel of Mary Magdalene. Rochester, Vermont: Inner Traditions, 2002.

Pagels, Elaine. The Gnostic Gospels. New York: Vintage, 1989.

Picknett, Lynn and Clive Prince. The Templar Revelation: Secret Guardians of the True Identity of Christ. Carmichael, California: Touchstone Books, 1998.

Starbird, Margaret. The Goddess in the Gospels: Reclaiming the Sacred Feminine. Rochester, Vermont: Bear & Co., 1998.

———. The Woman with the Alabaster Jar: Mary Magdalene and the Holy Grail. Rochester, Vermont: Bear & Co., 1993.

Welborn, Amy. Decoding Da Vinci: The Facts behind the Fiction of The Da Vinci Code . Huntington, Indiana: Our Sunday Visitor, 2004.