The national governing board of Speech-Language Pathologists and Audiologists in the United States, ASHA provides information, links, and more regarding these fields.
Autism Society of America
A comprehensive website that provides information on autism-related subjects, as well as events, ideas, advocacy, reports on pending legislation, first person accounts, and suggestions for those with a family member, student, or other involvement with autism.
Developer/supplier of tests and materials targeting speech & language needs.
National Center for Biotechnology Information
Information regarding genetic disorders such as Down Syndrome.
National Insitute of Neurological Disorders and Strokes
Information regarding Traumatic Brain Injuries (TBI)
Super Duper Publications
Fun, practical suggestions for activities to address speech and language needs, as well as user-friendly information explaining needs/disorders in the form of "handy handouts".