- Down Syndrome and Autistic Spectrum Disorder: A Look at What We Know : http://www.kennedykrieger.org/kki_misc.jsp?pid=2141&bl=1The
- Commonwealth Autism Services: http://www.autismva.org/home
- National Association for the Dually Diagnosed Telephone: (845) 331-4336 or (800) 331-5362 Fax: (845) 331-4569: http://www.thenadd.org/
- Virginia Autism Resource Center: http://128.172.18.193/index.cfm
- Autism Society: http://www.autism-society.org/ Telephone: Phone: 301.657.0881 or 1.800.3AUTISM (1.800.328.8476
- Reaching Potentials , Autism Support: (540) 368-8087
- Autistic-Spectrum/ Down Syndrome Yahoo Group: http://groups.yahoo.com/group/ds-autism/
- Autism Support Network: http://www.autismsupportnetwork.com/
- ABC News: http://abcnews.go.com/health/autism