Autism and PDD-NOS links
Autism Link - http://www.autismlink.com/
ABOARD (Advisory Board on Autism and Related Disorders) - http://www.aboard.org/
Autism Society of America - http://www.autism-society.org/
First Signs - http://www.firstsigns.org/
Yale Developmental Disabilities Clinic - http://www.med.yale.edu/chldstdy/autism/