BBC - h2g2 - Self Injury: Article discussing what it is and is not, as well as ways to help one's self and others.
Equilibrium: Awareness organisation. Includes general information and event schedule. Provides directory and forum.
LifeSIGNS: Guidance and support network. Voluntary organisation providing information, support, message board, training, seminars, and newsletter.
National Self Harm Network: Survivor-led charitable support group. Includes forum and list of additional resources, with links.
Project Spear: Charity whose goal is to relieve the illness of self-injurers and those suffering from stress related illnesses.
Self Harm Alliance: Support and advocacy for persons who suffer from DSH.
Self Injury UK: Support and advice group. Requires registration.
SIARI - Self-Injury and Related Issues: Information about SI interspersed with commentary from sufferers, as well as related issues. Includes creative works, message boards, and lists of resources with links.
The Guardian - Sense of Failure: the Scale of Teenage Self-harm: Information and results from a survey of British teenagers, conducted by The Priory.
Understanding Self-harm: Booklet providing information on the condition. Includes list of references, organisations, and additional reading.
Understanding Self-Mutilation: Provides information on helping one's self and others, in addition to motivations and who does it.