Entry:

Veenhoven, Ruut and Ouweneel, Piet, “Cross-National Differences in Happiness: Cultural Bias or Societal Quality?,” in Contemporary Issues in Cross-Cultural Psychology. N. Bleichrock and P.J. Drenth (eds.), Amsterdam: Zwets & Zeitlinger, 1990, 168-184.

Abstract:

Database containing surveys from 93 nations that studied the subject appreciation of life. Available on the web at http://www.eur.nl/fsw/research/happiness.