Primary texts:

• Celsus, On the True Doctrine: a Discourse Against the Christians, trans. J.R. Hoffman (Oxford: 1987).

• Origen, On First Principles, trans. G.W. Butterworth (Gloucester MA: 1973).

• Origen, Contra Celsum [Against Celsus], trans. H. Chadwick (Cambridge: 1965).

Secondary literature:

• E.A. Clark, The Origenist Controversy (Princeton: 1992).

• H. Crouzel, Origen: The Life and Thought of the First Great Theologian, trans. A.S. Worrall (San Francisco: 1989).

• J. Daniélou, Origène (Paris: 1948).

• M.J. Edwards, Origen Against Plato (Aldershot: 2002).

• C. Kannengiesser and W.L. Peterson, Origen of Alexandria: His World and His Legacy (Notre Dame: 1988).

• J.W. Trigg, Origen (London: 1998).

Origeniana: Series of volumes with collected papers on Origen, now published by Peeters.