Augustine / Hill E., The Trinity (The Complete Works of Saint Augustine in English, 1991 - translation of De Trinitate)

Augustine / McKenna S., The Trinity (The Fathers of the Church 45, 1963 - translation of De Trinitate)

Ayres L., Nicaea and Its Legacy: An Approach to Fourth-Century Trinitarian Theology (Oxford: Oxford University Press, 2004)

Barnes M. R. and Williams D. H. (eds), Arianism After Arius: Essays on the Development of the Fourth Century Trinitarian Conflicts (Edinburgh: T. & T. Clark, 1993)

Bates, M. W., The Birth of the Trinity: Jesus, God, and Spirit in New Testament & Early Christian Interpretations of the Old Testament (Oxford: Oxford University Press, 2015)

Beckwith C. L. (2009), Hilary of Poitiers on the Trinity: From De Fide to De Trinitate (Oxford Early Christian Studies)

Beeley, C. A., Gregory of Nazianzus on the Trinity and the Knowledge of God: In Your Light We Shall See Light (Oxford Studies in Historical Theology, 2008)

Crawford, M. R., Cyril of Alexandria’s Trinitarian Theology of Scipture. (Oxford Early Christian Studies. New York: Oxford University Press, 2014)

Hanson R. P. C., The Search for the Christian Doctrine of God: The Arian Controversy, 318-381 (Edinburgh: T. & T. Clark, 1988)

Hilary of Poitiers / Smulders P., De Trinitate. Praefatio. Libri I-VII (Brepols, 1979 CCSL 62)

Hilary of Poitiers / Smulders P., De Trinitate. Libri VIII-XII (Brepols, 1980 CCSL 62A)

Hilary of Poitiers / McKenna S., Saint Hilary of Poitiers: The Trinity (Fathers of the Church 25, 1954/2002)

Hilary of Poitiers / Meijering E. P. , with van Winden J. C. M.,  Hilary of Poitiers on the Trinity: De Trinitate 1, 1-19, 2, 3. (Leiden: Brill, 1982).

Hilderbrand S., On the Holy Spirit: St. Basil the Great (Popular Patristics, 2011)

Hildebrand S. M., The Trinitarian Theology of Basil of Caesarea: A Synthesis of Greek Thought and Biblical Truth (Washington, DC: Catholic University of America Press, 2007).

Hillar M., From Logos to Trinity: The Evolution of Religious Beliefs from Pythagoras to Tertullian (Cambridge University Press, 2013)

Kelly, J. N. D., Early Christian Creeds (First published 1950 by Addison Wesley Longman)

Kelly, J. N. D., Early Christian Doctrines: Revised Edition (A & C Black, 1978, First published 1958)

Lashier, J., Irenaeus on the Trinity (Supplements to Vigiliae Christianae 27; Leiden: Brill, 2014)

Maspero, G., Trinity and Man - on the Ad Ablabium of Gregory of Nyssa (Supplements to Vigilae Christianae 86, 2007)

Ployd, A., Augustine, the Trinity, and the Church: A Reading of the Anti-Donatist Sermons (Oxford Studies in Historical Theology; Oxford: Oxford University Press, 2015)

Rusch W.G., 1980. Trinitarian Controversy (Sources of Early Christian Thought) (AthanasiusOrationes Contra Arianos I)

Theodoret of Cyrus / Kupan P. I., Theodoret of Cyrus (The Early Church Fathers, 2006) (English translation - includes On the Holy and Vivifying Trinity and On the Inhumanation of the Lord)

Victorinus / Clark M. T., Marius Victorinus: Theological Treatises on the Trinity (Fathers of the Church 69, 1981)

Weedman M., The Trinitarian Theology of Hilary of Poitiers (Leiden: Brill - Supplements to Vigiliae Christianae, 2007)