- Brockmann, H.; Delhey, J.
- Happiness and Maximization: An Introduction .
- Brockmann, H and Delhey, J (Eds.) 2013, "Human Happiness and the Pursuit of Maximization", Happiness Studies Book Series, Springer Science+Business Media Dordrecht , The Netherlands, 2013
Eligible for inclusion in findings archive
- No, no new data on present happiness.