Lamy, Lucie, Egyptian Mysteries: New Light on Ancient Knowledge, Thames and Hudson, London, 1981.
Albus, James S., Brains, Behavior and Robotics, Byte books, 1981 (out of print).
The Unknown Leonardo, Ladislas Reti, ed., Abradale Press, Harry Abrams, Inc., Publishers, New York, 1990 ed.
Blair, Lawrence, Rhythms of Vision: The Changing Patterns of Myth and Con-sciousness, Destiny Books, 1991 (out of print).
Martineau, John, A Book of Coincidence: New Perspectives on an Old Chestnut, Wooden Books, Wales, 1995 (out of print).