- Estes, R.J.; Land, K.C.; Michalos, A.C.
- Well-Being in Canada and the United States
- Estes, R.J and Sirgy, M.J. (Eds.). The Pursuit of Human Well-Being. The Untold Global History, 2017, Springer International, Switzerland, Chapter 9
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no new data on present happiness.