- NINDS: Olivopontocerebellar Atrophy - Information sheet compiled by National Institute of Neurological Disorders and Stroke.
- NORD - Olivopontocerebellar Atrophy - Offers synonyms, a general discussion and further resources.
- Opca Awareness - A site devoted to Olivopontocerebellar Atrophy. It has links, personal stories and a discussion board.