- MCW HealthLink - An article about Stiff-person syndrome, a rare progressive neurological disorder.
- NORD: Stiff Person Syndrome - Offers synonyms, a general discussion and further resources.
- Stiff Person (Stiffman) Syndrome - Personal account of living with the condition, including description of symptoms, and details of current research.
- Stiff-Person Syndrome - Information sheet compiled by National Institute of Neurological Disorders and Stroke.
