| The Peer Nomination Project | | Explores the discrepancies between self-report and informant measures in the assessment of personality and personality disorders. |
| The Personality Project | | A guide for those interested in personality theory and research, including readings, abstracts, and links, maintained by Bill Revelle at NWU. |
| Theories of Personality | | Outlines for quick reference on the theories of Adler, Erikson, Existential, Freud, Jung, Maslow, Rank, Rogers. |
| Vulnerability and Resilience | | A chapter by the National Institute of Mental Health (NIMH) on Vulnerability and Resilience, including general personality psychology, attachment, self concepts and self esteem. |
| What's in a Face | | Psychology study exploring the relationships between personality, facial expressions and lasting facial features. |
| World Database of Happiness | | A continuous register of scientific research on subjective appreciation of life directed by Ruut Veenhoven, Erasmus University Rotterdam. Features overview, bibliography and contact details for the project participants. | |
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