International Committee of Silent Chess 
Organizes World Championships, the European (Continental) Clubs Chess Championships and friendly international tournaments. Background information, member countries and calendar.
http://web.tiscali.it/icsc_w/index.htmUnited States Braille Chess Association 
Promotes correspondence and over-the-board chess among chess enthusiasts who are blind or visually impaired. Results, magazine and membership details.
http://www.crisscrosstech.com/usbca/
BCA - Association of Visually Handicapped Chess 
Brings blind and partially sighted chess players together to compete in tournaments. Events, gazette, downloads of games and help with software.
http://www.braillechess.org.uk/
Braille Chess Association of Ireland 
History, news, articles, game samples and relevant rules are presented by this association for blind and partially sighted players.
http://ireland.iol.ie/~jghurley/ibca.htm
International Association for Blind and Visually Impaired Chess Players 
Foundation, committee, qualification tables and results. Includes information on competitions, championships and Team Olympiads.
http://www.usuarios.com/ib316564/
Selfhelp Chess: International 
Non-commercial chess initiative for players in selfhelp-groups, the disabled, elders, schools, and leisure-players that helps to establish chess groups around the world for teamwork and network.
http://www.selfhelp-chess-international.org
English Deaf Chess Association 
Club news, regional clubs, games and photo gallery.
http://www.englishdeafchess.co.uk/