HSP/FSP Support Group
- For people suffering from Familial Spastic Paraplegia. Includes a newsletter, discussion forum, links, and contact details.
- http://www.hspgroup.org/

Spastic Paraplegia Foundation
- Supports on the upper motor neuron disorders hereditary spastic paraplegia and primary lateral sclerosis. Information about these conditions, disability resources, newsletters, news, announcements, research and support.
- http://sp-foundation.org/

MCW Healthlink: HSP
- An article about hereditary spastic paraplegia, also called familial spastic paralysis.
- http://healthlink.mcw.edu/article/921730935.html

GeneClinics: An Overview
- In depth details about hereditary spastic paraplegia. Includes a summary, definition, categories, diagnosis, genetic counseling and resources.
- http://www.geneclinics.org/profiles/hsp/

Hereditary Spastic Paraplegia
- HSP information sheet compiled by the National Institute of Neurological Disorders and Stroke.
- http://www.ninds.nih.gov/health_and_medical/disorders/hereditarysp.htm