The following resources provide valuable information about diagnosis, treatment, advocacy, and research of autism spectrum disorders.   Professionals and families can use these sources to identify the types of treatment available, best practices in treatment, and what may be appropriate for a particular child.  Several of the websites include information on navigating the special education process and advocating for appropriate services.  Additionally, “A Parent’s Guide to Research” is a useful reference for understanding and evaluating research in the field of autism.