Additional information:
Blindfold Chess
A visual board for training.
From the same site: You can download my free Blindfold Chess program here (updated 2007-02-19), but you must own the software Zillions of Games to be able to run it.
A DOS program for blindfold chess: Blindfold Chess
A History of Blindfold Chess in Canada
Blindfold Chess of Jonathan Berry
London TImes:
http://www.chesscafe.com/text/spinrad03.pdf
A strange article appears at
A Chess Hoax (Edward Winter)
A newer article on Blindfold Chess
http://www.brunel.ac.uk/3518/PDF//Ca..._revised_5.pdf
Download site Freepedia:
Download Chess-Trainer - Chess-Trainer script is a DHTML blindfold chess trainer. - Softpedia