|About.com - Personality Disorder Resources|
Information about borderline, antisocial, narcissistic, obesessive-compulsive, and other personality disorders. Offers links to related sites.
|Institute for Advanced Studies in Personology & Psychopathology|
Dr. Theodore Millon's theory and psychological assessments, focused mainly on personality disorders.
|International Society for the Study of Personality Disorders (ISSPD)|
Supports scholarship, clinical experience, international collaboration and communication of research on all aspects of personality disorders including both diagnosis, course and treatment.
|Merck Manual Personality Disorders|
The Merck Manual of Diagnosis and Therapy Psychiatric Disorders - Personality Disorders.
|Monitor on Psychology Personality Disorders|
APA's Monitor on Psychology special issue dedicated to personality disorders.
|NPA Personality Theory|
Personality disorders based on genetic traits (Mendelian) of narcissism, perfectionism, schizophrenia, autism and aggression.
|Online Screening for Personality Disorders|
A 20-question online test for personality disorders by Benjamin J. Sadock, M.D. and Waguih William IsHak, M.D. from the New York University School of Medicine, 1995.
|Open Site: Personality Disorders|
Clinical data, diagnostic criteria, and overview of current research.
Information, resources, and case studies regarding ten personality disorders.
Article summarizing the issues and symptoms.