Some of the links found in internet...
Definitions...
http://en.wikipedia.org/wiki/Happiness
Quotes...
http://www.wisdomquotes.com/cat_happiness.html
Word database...
http://worlddatabaseofhappiness.eur.nl/
News...
http://news.bbc.co.uk/1/hi/programmes/h ... s_formula/
Magazines...
http://www.happiness.com/
Mind affections...
http://www.pathwaytohappiness.com/happiness/
Foundations...
http://www.happiness.org/