A Theory of Human Motivation by Abraham Maslow (1943)

Motivation and Personality by Abraham Maslow (1954)

Toward a Psychology of Being by Abraham Maslow (1962)

A Primer in Positive Psychology by Chris Peterson (2006)

Positive Psychology: An Introduction by Martin Seligman and Mihaly Csikszentmihalyi (2000)

Positive Psychology Progress: Empirical Validation of Intervention by Martin Seligman, Tracy Steen, Nansook Park, & Chris Peterson (2005)

Building Human Strength: Psychology's Forgotten Mission by Martin Seligman (1998)

What (and Why) is Positive Psychology by Shelly Gable and Jonathan Haidt

Positive Psychology FAQs by Martin Seligman and James Pawelski (2003)

Character Strengths and Virtues: A Handbook and Classification by Martin Seligman and Chris Peterson (2004)

Learned Optimism: How to Change Your Mind and Your Life by Martin Seligman (1991)

Authentic Happiness: Using the New Positive Psychology to Realize Your Potential for Lasting Fulfillment by Martin Seligman (2002)

Flourish: A Visionary New Understanding of Happiness and Well-being by Martin Seligman (2011)

The Happiness Advantage: The Seven Principles of Positive Psychology That Fuel Success and Performance at Work by Shawn Achor (2010)

The How of Happiness: A Scientific Approach to Getting the Life You Want by Sonja Lyubomirsky (2008)

The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom by  Jonathan Haidt (2006)

Pursuing the Good Life: 100 Reflections on Positive Psychology by Chris Peterson (2012)

Happiness: Unlocking the Mysteries of Psychological Wealth by Ed Diener and Robert Biswas-Diener (2008)

Positive Psychology in Practice: Promoting Human Flourishing in Work, Health, Education, and Everyday Life (2015)

Stumbling on Happiness by Dan Gilbert (2007)

Joyful: The Surprising Power of Ordinary Things to Create Extraordinary Happiness by Ingrid Lee (2018)

From the Paleolithic to the Present: Three Revolutions in the Global History of Happiness by Darrin M. McMahon (2018)

Findings All Psychologists Should Know From the New Science on Subjective Well-Being by Diener, Heintzelman, Kushlev, Tay, Wirtz, Lutes, & Oishi (2016) 

On Happiness and Human Potential: A Review of Research on Hedonic and Eudaimonic Well-Being

Investing in Strengths by Donald Clifton and James Harter (2003)

Productivity Through Strengths by Asplund & Blacksmith (2011) 

Now, Discover Your Strengths by Marcus Buckingham and Donald O. Clifton (2001)

StrengthsFinder 2.0 by Tom Rath (2007)

Your Strengths Are Calling by Harzer & Ruch (2016)

Character Strengths Interventions: A Field Guide for Practitioners by Ryan Niemiec (2017) 

Character Strengths and Virtues: A Handbook and Classification by Chris Peterson Martin Seligman

Strengths of Character and Wellbeing by Nansook Park, Christopher Peterson, and Martin Seligman (2004)

VIA Character Strengths - Research & Practice: The First 10 Years by Ryan Niemiec (2013) 

Strengths Spotting_Average to A+ Realising Strengths in Yourself and Others by Linley (2008)

Flourishing in New Zealand Workers: Associations with Lifestyle Behaviors, Physical Health, Psychosocial, and Work-Related Indicators by Hone, Jarden, Duncan, & Schofield (2015)

The Role of Character Strengths for Task Performance, Job Dedication, Interpersonal Facilitation, and Organizational Support by Harzer & Ruch (2014)

Positive Psychopathology: Social Anxiety Via Character Strengths Underuse and Overuse by Freidlin, Littman-Ovadia, & Niemiec (2016)

Composing The Reflected Best-Self Portrait: Building Pathways for Becoming Extraordinary In Work Organizations by Roberts, Dutton, Spreitzer, Heaphy, & Quinn (2005) 

Preparing the Self for Team Entry: How Relational Affirmation Improves Team Performance by Lee, Gino, Cable, & Staats (2016) working paper

Job Crafting and Meaningful Work by Berg, Dutton, & Wrzesniewski (2013)

Turn the Job You Have into the Job You Want by Wrzesniewski, Berg & Dutton (2010)

Bigony, C. (2019). 15Five: Technology aligned to the science of thriving. (Unpublished master's thesis). University of Pennsylvania, Philadelphia, PA, USA.