The Riddle of the Sphinx or Human Origins

Caption:

dust jacket of "The Riddle of the Sphinx or Human Origins"

Source: E.J. Pratt Library

The Riddle of the Sphinx or Human Origins

Author:

Language:

Publisher:

This anthropological study, published in the International Psycho-Analytical Library series (no. 25), treats the psychological differences that distinguish humans from our pre-human ancestors.