Coba jelasin Keterangan dari Origenes dong

Bigg, Charles. The Christian Platonists of Alexandria. 1886, revised 1913.

Martens, Peter. Origen and Scripture: The Contours of the Exegetical Life. Oxford: Oxford University Press, 2012.

Pelikan, Jaroslav. The Emergence of the Catholic Tradition: 100–600. Chicago: University of Chicago Press, 1977.

Thomas P. Scheck. Origen and the History of Justification: The Legacy of Origen's Commentary on Romans. Notre Dame, IN: University of Notre Dame Press, 2008.

von Balthasar, Hans Urs. Origen, Spirit and Fire: A Thematic Anthology of His Writings. Washington, DC: Catholic University of America Press, 1984.

Westcott, B. F. "Origenes", Dictionary of Christian Biography.

Williams, Rowan. "Origen: Between Orthodoxy and Heresy", in W. A. Bienert and U. Kuhneweg, eds., Origeniana Septima, 1999, pp. 3–14.