http://www.autism.com
The Autism Research Institute's Center for the Study of Autism. Provides information as well as helpful links for both parents and professionals.
http://www.naeyc.org
National Association for the Education of Young Children. Useful information regarding policies and legislative changes and information on developmentally appropriate practice.
http://www.zerotothree.org
National Center for Infants, Toddlers & Families. Dedicated to the healthy development of infants and toddlers.
http://www.ed.gov
US Department of Education providing information on IDEA and links to special education services.