The International Society for the Study of Dissociation

Designed for mental health professionals, this organization is devoted to research, training, and treatment of dissociative disorders.
http://www.issd.org/

Dissociative Experiences Scale - The Ross Institute

Descriptive statistics, interpretive information, and the scale itself.
http://www.rossinst.com/des.htm

MPD Friends

Site written by the SO of a male multiple. Includes information on MPD, a booklist,links and a humour page.
http://www.mpdfriends.homestead.com

Welcome to Our Inner World

Personal account of living with DID/MPD and agoraphobia with panic attacks. Links and research on PTSD, MPD, DID, Trauma, Abuse, Domestic Violence, Triggers, Alters, Switching and fun for the littles.
http://members.tripod.com/mysteryicebengals/

Abuse Survivors Support Network (DID focus)

DID/MPD, PTSD, and adult survivor of abuse support page.
http://www.angelfire.com/me4/pagesplace/index.html