Journal of Personality
Focuses particularly on personality and behavior dynamics, personality development, and individual differences in the cognitive, affective, and interpersonal domains.
http://www.blackwell-synergy.com/servlet/useragent?func=showIssues&code=jopy

Elemental Personality Assessment
Psychological Astrological Elemental Personality Assessment Test (NOTE: For entertainment purposes only!)
http://www.geocities.com/bryancweber/EPA/bcwepa.html

Shoda, Yuichi
Home page of Yuichi Shoda, University of Washington, Department of Psychology.
http://faculty.washington.edu/yshoda/

16types.com
The first online marketplace for professional users of personality type. Resources for Understanding and Teaching the 16 Personality Types, Browse, search, and purchase all available resources for professional users of personality type information to understand and teach theories relating to the 16 personality types--Keirseyian Temperament Theory, Jung's Theory of Psychological Types, Myers-Briggs Type Indicator (MBTI), DiSC, Social Styles, Berens Interaction Style Theory
http://www.16types.com/

Personality Net
Offers a variety of personality based content services for partner websites.
http://www.personalitynet.com

Personality Plus
This website is dedicated to the education about human personality, personality differences and the dynamics of personality development
http://members.tripod.com/~PersonalityInstitute/Personality1.htm

Discover Your Personality Type
Brief test based on Myers-Briggs personality types.
http://www.win.net/insightsys/question.htm

Institute for Personality and Ability Testing
IPAT provides psychological assessments of personality, behavior, and integrity. Reports and training using the 16PF Questionnaire and Inwald Personality Inventory give insights into workforce potential, career counseling, and police applicant screening.
http://www.ipat.com/

Do-Re-Mi's of Personality
Find out what your taste in music says about your personality with this free online personality psychology test.
http://www.outofservice.com/music-personality-test/

Tree Personality
Gives personality descriptions by matching birthdates with different types of trees.
http://www.lunchtimelinks.co.uk/entertain/tree.htm