http://www.selectivemutismfoundation.org Information about this childhood anxiety disorder and the foundation itself. Includes resources, research and a list of healthcare providers.
http://www.selectivemutism.org/ Includes information, professional Q&A, a forum for parents, professionals and teachers to discuss the problem, and current research.
http://www.selective-mutism.com A teacher and parent resource for strategies to use with shy children and those with selective mutism.