Selective Mutism Group Inc  
   Includes information, professional Q&A, a forum for parents, professionals and teachers to discuss the problem, and current research.
   http://selectivemutism.org/

Yahoo Groups : Selectivemutism  
   An e-mail discussion and support group focused on this disorder.
   http://groups.yahoo.com/group/selectivemutism/

The Quiet Room  
   An informational resource for parents and professionals dealing with children with the disorder.
   http://www.homestead.com/quietroom/

The Silence Within  
   A teacher and parent resource for strategies to use with shy children and those with selective mutism.
   http://www.selective-mutism.com

Selective Mutism Foundation Official Website  
   Information about this childhood anxiety disorder and the foundation itself. Includes resources, research and a list of healthcare providers.
   http://www.selectivemutismfoundation.org