Mayo Clinic
Mayo Clinic: Narcissistic Personality Disorder
Topical information about narcissistic personality disorder, "a mental disorder in which people have an inflated sense of their own importance and a deep need for admiration." Subjects covered are definition, symptoms, causes, risk...
TED Talks
Ted: Ted Ed: The Psychology of Narcissism
W. Keith Campbell describes the psychology behind the elevated and sometimes detrimental self-involvement of narcissists. [5:10]
Other
Psychomedia: Journal of European Psychoanalysis: Otto Kernberg Narcissism
Psychomedia offers an interview between Raffaele Siniscalco with Otto Kernberg regarding his approach to narcissistic personality disorder. The interview addresses an extensive description of narcissism, ways to understand the disorder,...
US National Library of Medicine
Medline Plus: Narcissistic Personality Disorder
Medline Plus, a government service from the U.S. National Library of Medicine and National Institutes of Health presents a brief overview of narcissistic personality disorder.
Mental Health America
Mental Health America: Personality Disorders
Article offers a definition of personality disorders while discussing the causes, treatment, and different types, each having their own behaviors and symptoms.
New York Times
New York Times: Health Guide: Narcissistic Personality Disorder
[Free Registration/Login Required] One-page summary of the causes, symptoms, and treatment of narcissistic personality disorder.