Rett Syndrome Association UK
National charity provides support to patients, their families and carers. Features details of the condition, research findings, and clinics, as well as FAQ and an events calendar.
http://www.rettsyndrome.org.uk/

Rett Syndrome Research Foundation
Promotes biomedical research for the treatment of Rett Syndrome, often misdiagnosed as Autism and Hypotonia. Offers detailed information, links, studies, support groups, and information on the Rett Syndrome gene MECP2 recently discovered.
http://www.rsrf.org

Rett Syndrome
The Autism Research Institute distributes an information packet on Rett Syndrome.
http://www.autism.org/rett.html

Rett Language
One family's experience with Rett Syndrome, Applied Behavioral Analysis and Discrete Trial Teaching.
http://www.geocities.com/pflowerett/

Rett Syndrome Fact Sheet
An in depth look at this syndrome prepared by the National Institute of Neurological Disorders and Stroke (NINDS).
http://www.ninds.nih.gov/health_and_medical/pubs/rett.htm

National Institutes of Health
Information in Rett Syndrome, treatment and prognosis.
http://www.ninds.nih.gov/health_and_medical/disorders/rett_doc.htm

Rett Syndrome Association of Ireland
A support group for the victims of RS and their families. Read about the organization and the disorder.
http://www.rettsyndromeireland.com

The Sarah Varon Foundation for Rett Research
A family dedicated to finding a cure for Rett Sydrome. Find announcements, photos, and an overview of the disease.
http://www.sarahvaronfoundation.org/

International Rett Syndrome Association (IREA)
The mission of the IRSA is: to support and encourage medical research to determine the cause and find a cure for Rett syndrome, to increase public awareness of Rett syndrome, and to provide informational and emotional support to families of children with Rett syndrome.
http://www.rettsyndrome.org/