What has the author Marthinus Versfeld written?

Marthinus Versfeld has written:

'The perennial order' -- subject(s): Philosophy, Catholic converts

'Die neukery met die appelboom' -- subject(s): Philosophy

'An essay on the metaphysics of Descartes'

'Klip en klei'

'St. Augustine's Confessions and City of God' -- subject(s): Apologetics, Biography, Christian saints, History of doctrines, History and criticism, Kingdom of God

'The Socratic spirit'

'Our selves' -- subject(s): Human beings, Self (Philosophy)