- DSM IV
- OASIS
- Web MD
- Autism Speaks
- Autism Society
- Wrong Planet
- National Institute of Neurological Disorders
- Cigna Healthcare
to create the following image. I extracted the words "Asperger's, Syndrome, and Disorder. The result is basically a visual form of a linguistic frequency analysis with cousins as tag clouds and auto-summaries. This image makes clear what are the consensus elements of an Asperger's definition.