Lawlor, Robert, Sacred Geometry: Philosophy and Practice, Thames & Hudson, London, 1982.
Hoagland, Richard C.; see
www.enterprisemission.com/.
White, John, Pole Shift, 3rd ed., ARE Press, Virginia Beach, VA, 1988.
Hapgood, Charles, Earth's Shifting Crust and The Path of the Pole (out of print).
Braden, Gregg, Awakening to Zero Point: The Collective Initiation, Sacred Spaces/Ancient Wisdom Pub., Questa, NM; also on video tape (Lee Productions, Bellevue, WA).