American Association of Intellectual & Developmental Disabilities (AAIDD)

Founded in 1876, AAIDD, and formerly known as AAMR, AAIDD is the oldest and largest interdisciplinary organization of professionals (and others) concerned about developmental disabilities.

Epilepsy Foundation

This web site provides information about epilepsy and its effects on people's lives.

The Missouri Association of County Developmental Disabilities Services (MACDDS)

MACDDS is a statewide association of county boards for the developmentally disabled dedicated to local control and provision of supports and services.

The Arc

The Arc is a national association of and for people with developmental disabilities and their families.

Autism Society of America (ASA)

ASA is a national association for people with autism. The site connects individuals with autism and their families to reliable information and referral resources.

United Cerebral Palsy Association (UCP)

UCPA is a national association dedicated to research and information dissemination.

Missouri Department of Mental Health

The Missouri Department of Mental Health operates the Divisions of Developmental Disabilities, Comprehensive Psychiatric Services, and Alcohol and Drug Abuse.


Missouri Department of Elementary & Secondary Education

The Missouri DESE site provides information concerning Missouri's public schools and special education services.


The National Organization for Rare Disorders (NORD)

NORD is a unique federation of more than 140 organizations serving people with rare disorders and disabilities.