About Autism in General: 

• Autism Fact Sheet from National Institute of Neurological Disorders and Strokes
• What Should You Know? Autism Spectrum Disorder (ASD) by the CDC
• Autism Society

Savant Syndrome:

• Savant Syndrome: Islands of Genius
• "A Look at an Autisic Savant's Brilliant Mind" (Radio transcript from Talk of the Nation). *Note: you will need to log into Gale Virtual Reference Library before you can open this link.