The following sites and print sources offer more information. Many of these provided evidence for the information in this section.
Health & Yoga  - 3-Step Approach to a Positive Attitude http://www.healthandyoga.com/html/news/yoga_positive.html 
Institute of HeartMath http://www.heartmath.org/ 
Columbia University's "Go Ask Alice!" http://www.goaskalice.columbia.edu/ 
Institute for Health and Human Potential - Emotional Intelligence quiz http://www.ihhp.com/quiz.php 
National Association for Self-Esteem (NASE) http://www.self-esteem-nase.org/index.php 
Self-Esteem Learning Foundation http://www.selfesteem.org/ 
Texas Women's University - activities to promote healthy self-esteem http://www.twu.edu/o-sl/counseling/SH032.html 
McGill University - interactive self-esteem games http://selfesteemgames.mcgill.ca/games/index.htm 
This self-esteem quiz: http://www.leadersdirect.com/selfesteem.htm 
Branden, N. (1988). How to Raise Your Self-Esteem. Bantam Books.
Budd, M. (1985). Music and the Emotions: The Philosophical Theories. London: Routledge.
Chambers, H.E. (1998). The Bad Attitude Survival Guide. Perseus Books Group.
Clark, L. (2001). SOS Help for Emotions: Managing Anxiety, Anger, and Depression.. Parents Press, 2nd edition.
Ekman, P. (2003). Emotions Revealed: Recognizing Faces and Feelings to Improve Communication and Emotional Life. Times Books.
Evans, D. (2001). Emotions: The Science of Sentiment. Oxford University Press.
Glickman, R. (2002). Optimal Thinking: How to Be Your Best Self. Wiley.
Goldie, P. (ed.) (2002). Understanding Emotions. Aldershot: Ashgate Publishing.
Goleman, D. (1997). Emotional Intelligence: Why It Can Matter More Than IQ. Bantam.
Goleman, D. (2003). Healing Emotions: Conversations with the Dalai Lama on Mindfulness, Emotions, and Health. Shambhala.
Greenspan, M. (2004). Healing Through the Dark Emotions: The Wisdom of Grief, Fear, and Despair. Shambhala.
Hanh, T.N. (1998). Teachings on Love. Parallax Press.
Harrell, K. (2002). Attitude is Everything: 10 Life-Changing Steps to Turning Attitude Into Action. HarperBusiness.
Jones, A. (1998). 104 Activities That Build: Self-esteem, Teamwork, Communication, Anger Management, Self-discovery, and Coping Skills. Rec Room Publishing.
Keller, J. (1999). Attitude Is Everything: Change Your Attitude... and You Change Your Life. International Network Training Institute (INT).
Kornfield, J. (1993). A Path With Heart: A Guide Through the Perils and Promises of Spiritual Life. Bantam.
McCraty, R., PhD, Tomasino, D., Atkinson, M., Sundram, J. MEd. (1999). Impact of the Heartmath Self-Management Skills Program on physiological and psychological stress in police officers. Institute of HeartMath, 99-075.
McGraw, P. (2003). Self Matters: Creating Your Life from the Inside Out. Free Press.
Meyer, J. (2002). Managing Your Emotions: Instead of Your Emotions Managing You. Joyce Meyer Trade.
Murrell, S. (2003). Educational Attainment, Positive Psychological Mediators, and Resources for Health and Vitality in Older Adults. Journal of Aging and Health, 15(4), 591-615.
Oatley, K. (1992). Best Laid Schemes: The Psychology of Emotions. Cambridge: Cambridge University Press.
Pert, C.B. (1999). Molecules Of Emotion: The Science Behind Mind-Body Medicine. Scribner.
Potter, A. (2001). The Positive Thinker's 10 Commandments: For a Happier, Healthier, More Successful You. Berkley Publishing Group.
Ryan, M.J. (1999). Attitudes of Gratitude: How to Give and Receive Joy Everyday of Your Life. Conari Press.
Sorensen, M. (1999). Breaking the Chain of Low Self-Esteem. Wolf Publishing Co.
Stone, W. (1991). Success Through a Positive Mental Attitude. Pocket; Reissue edition.
Viscott, D. (1993). Emotionally Free: Letting Go of the Past to Live in the Moment. McGraw-Hill/Contemporary Books.
Wallenstein, G. (2002). Mind, Stress, and Emotions: The New Science of Mood. Commonwealth Press.