Visit Eric Spierings website.
Lots of interesting material about the enigma.
The Publius Enigma forum Where every aspects of the enigma are discussed.
Robert and Frances Egan website
The Division Bell concept. An interesting website focusing on Cybernetics in relation to the Enigma.
Numerology: symbolism of Number 9
Ancient Guematrian Numbers. Excellent site!
Symbolic meaning of the DOVE
Symbolic meaning of the Flying Pig
The Precession of the Equinoxes
About the Orion Belt
The Organ at Ely Cathedral
Hereward the Wake
Another link about Hereward the Wake