Autism Spectrum Disorder (ASD) Supporting Families Autism National Committee Autism Navigator Autism Society of America Autism Speaks First Signs, Inc. First Words Project Federal Resources CDC Autism Spectrum Disorder HHS Autism Information NIDCD Autism Spectrum Disorder: Communication Problems in Children NIH Autism Spectrum Disorder (ASD): Overview NIMH Autism Spectrum Disorder NINDS Autism Spectrum Disorder Fact Sheet NINDS Pervasive Developmental Disorders