- DeHeer, C.
- Makar, Eudaimon, Olbios, Eutyches: A Study of the Semantic Field Denoting Happiness in Ancient Greek to the End of the 5th Century B.C.
- Doctoral Dissertation, State University Utrecht, 1968, Netherlands
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no new data on present happiness.