Voynich Manuscript

Cipher Mysteries [was "Voynich News"]
Regularly-updated blog containing historical cipher-related news, views, research and reviews.
http://www.ciphermysteries.com/

History of Voynich Manuscript
From Crystalinks: an illustrated overview of discovery and attempts to translate the Voynich Manuscript.
http://www.crystalinks.com/voynich.html

The Journal of Voynich Studies
Slightly more formal Voynich mailing list, started in 2007 by Berj N. Ensanian and Greg Stachowski.
http://www.geocities.com/rfamperes/index.htm

NASA's Astronomy Picture of the Day - The Mysterious Voynich Manuscript
Image and discussion of one drawing in the book that appears to deal with astronomy.
http://antwrp.gsfc.nasa.gov/apod/ap050122.html

The Voynich Manuscript
Museum of Hoaxes article on the Voynich Manuscript.
http://www.museumofhoaxes.com/hoax/Hoaxipedia/Voynich_Manuscript/

Voynich Manuscript
The main Voynich Manuscript mailing list, introductory information, links to related sites. Started in 1991 by Jim Reeds and Jim Gillogly.
http://www.voynich.net/

Wikipedia: Voynich Manuscript
Article discussing the manuscript, its history and theories of its authorship, content and language.
http://en.wikipedia.org/wiki/Voynich_Manuscript