"John Locke" Sabrina Duran
http://www.pursuit-of-happiness.org/history-of-happiness/john-locke/
"There's More To Life Than Being Happy" Leah Wellman
http://www.theatlantic.com/health/archive/2013/01/theres-more-to-life-than-being-happy/266805/
"The Pursuit of Happiness" Leah Wellman
http://www.vision.org/visionmedia/social-issues-pursuit-of-happiness/85768.aspx
http://www.pursuit-of-happiness.org/history-of-happiness/john-locke/
"There's More To Life Than Being Happy" Leah Wellman
http://www.theatlantic.com/health/archive/2013/01/theres-more-to-life-than-being-happy/266805/
"The Pursuit of Happiness" Leah Wellman
http://www.vision.org/visionmedia/social-issues-pursuit-of-happiness/85768.aspx