R. Ferwerda

Two Souls. Origen's and Augustine's Attitude toward the Two Souls Doctrine. Its Place in Greek and Christian Philosophy

R. Ferwerda, 1983 .

Synopsis purioris theologiae = Synopsis of a purer theology : Latin text and English translation

Riemer A. Faber, W. D. Boer, R. Ferwerda, 2016 .

The Therapy of Desire: Theory and Practice in Hellenistic Ethics

R. Ferwerda, 1997 .

Democritus and Plato

R. Ferwerda, 1972 .

Aristotle’s De spiritu as a critique of the doctrine of pneuma in Plato and his predecessors

A. P. Bos, R. Ferwerda, 2007 .

Aristotle, On the Life-Bearing Spirit, De Spiritu: A Discussion With Plato and His Predecessors on Pneuma As the Instrumental Body of the Soul

A. P. Bos, R. Ferwerda, 2008 .