Pinckaers, Servais (1995) The Sources of Christian Ethics
Wogaman, J. P (1994) Christian Ethics: A Historical Introduction
Patristics
Ambrose On the Duties of the Clergy (Nicene & Post Nicene Fathers ser. 2 vol. 10)
Augustine On the Morals of the Catholic Church (NPNF ser. 1 vol. 4)
Augustine On the nature of the good (NPNF ser. 1 vol. 4)
Augustine On Christian Doctrine, book I (tr. & ed. R. P. H. Green)
Augustine On Lying,&, Against Lying (NPNF vol. 3)
Burnaby, John (1935) Amor Dei: A Study of the Religion of St. Augustine
Clement of Alexandria The Rich Man's Salvation (Loeb)
Clement of Alexandria Stromateis bk. 7 (Ante-Nicene Fathers vol. 2)
Greer, Rowan (1986) Broken Lights and Mended Lives
Osborn, E. Ethical Patterns in Early Christian thought
Telfer, W. The Forgiveness of Sin
Tertullian On Repentance (ANF vol. 3)
Tertullian On Patience (ANF vol. 3)
Tertullian On Modesty (ANF vol. 4)
Tertullian Divine Institutes bk. 6 (ANF vol. 7)
Burt, D. X. (1999) Friendship and Society
Holte, R. (1962) Béatitude et Sagesse
O'Donovan, O. (1979) The Problem of Self-Love in St Augustine
Wetzel, J. Augustine and the Limits of Virtue
Keenan J. & Shannon T. (eds.) The Context of Casuistry
Bernard of Clairvaux On the Love of God
Desiderius Erasmus Enchiridion (Advocates of Reform, Library of Christian Classics)
John Calvin Institutes II, chs. 7-11.
Kent, Bonnie Virtues of the Will
Maimonides A Guide of the Perplexed
Martin Luther The Freedom of the Christian (Luther's Works, Vol. 31
Martin Luther Two Kinds of Righteousness (Luther's Works, Vol. 31)
Martin Luther The Sermon on the Mount (Luther's Works, Vol. 21)
Martin Luther Treatise on Good Works (Luther's Works Vol. 44)
Peter Abelard Ethics: Know Thyself ( Ethical Writings tr. P. V. Spade)
Porter, Jean (1998) Natural Law and Divine Law: reclaiming the tradition for Christian ethics
Potts, T. Conscience in Medieval Philosophy
Richard Hooker Laws of Ecclesiastical Polity, bks 1 & 2
Thomas Aquinas Summa Theologiae I qq. 5,6
Thomas Aquinas I-II qq.1-5, 18-21, 49-70, 90-108
Thomas Aquinas II-II qq.23-27, 47-56, 179-182.
William Perkins 'A Treatise of the Vocations or Callings of Men', 'Epeikia' 'The Cases of Conscience' (in The Works of William Perkins ed. I. Breward
Wolter, A. B Duns Scotus on the Will and Morality
Fox, M. Interpreting Maimonides
Twesky, I Introduction ot the Code of Maimonides
Copleston, F. C. Aquinas
O'Connor, D. J. Aquinas and Natural Law
Porter, Jean. The Recovery of Virtue
Althaus, P. The Ethics of Martin Luther
Holl, K. The Reconstruction of Morality
Haas, G. The Concept of Equity in Calvin's Ethics
17th & 18th Centuries
Allison, C. F The Rise of Moralism
Blaise Pascal Provincial Letters
David Hume Treatise on Human Nature, Bk. 3
David Hume Enquiry Concerning the Principles of Morals
Hudson, N. Samuel Johnson and 18th Century Thought
Immanuel Kant Foundation for the Metaphysics of Morals
Immanuel Kant Critique of Practical Reason
These and other texts of Kant available here
Immanuel Kant Lectures on Ethics: "On the Supposed Right to tell a Lie"
Jeremy Taylor The Rule of Conscience bk. 1
Jonathan Edwards The Two Treatises Concerning the End for which God Created the World (Preface, Ch1 & Ch2) and The Nature of True Virtue (Works vol. 8)
Jonathan Edwards Treatise on the Religious Affections (Works vol. 2)
Joseph Butler Sermons Upon Human Nature
Leites, E. (ed.) Conscience and Casuistry in Early Modern Europe
Marquardt, M. John Wesley's Social Ethics
Richard Baxter Christian Directory
Todd, M. Christian Humanism and the Puritan Social Order
Wood, Thomas English Casuistical Divinity
Zagorin, P. Ways of Lying
Fiering, N. Jonathan Edwards' Moral Thought and the British Context
Holbrook, C. A. The Ethics of Jonathan Edwards
Hare, John The Moral Gap.
Further information on Kant and Kantian Ethics and Kant on the Web
F. D. Maurice Lectures on Social Morality
F. Nietzsche Beyond Good and Evil
F. Nietzsche The Genealogy of Morals
Friedrich Schleiermacher Introduction to Christian Ethics
J. S. Mill Utilitarianism and also here
Rudd, A. Kierkegaard and the Limits of the Ethical
Søren Kierkegaard Fear and Trembling
Søren Kierkegaard The Present Age
Søren Kierkegaard The Concept of Dread
Søren Kierkegaard Works of Love
Karl Barth The Holy Spirit and the Christian Life
See also D. Anthony Storm's Kierkegaard Commentary
Twentieth Century up to c.1950
Anders Nygren Agape and Eros
Bonhoeffer, D. Ethics
C. S. Lewis The Abolition of Man
Dietrich von Hildebrand Christian Ethics
Emil Brunner The Divine Imperative
H. R. Niebuhr The Kingdom of God in America
H. R. Niebuhr Christ and Culture
Henri Bergson The Two Sources of Morality and Religion
Karl Barth Ethics (1931)
Karl Barth Gospel and Law
Karl Barth Church Dogmatics II/2. 36-39
Karl Barth Church Dogmatics III/4
Karl Barth Church Dogmatics IV/2. 68
Karl Barth The Christian Life
Kenneth E. Kirk Some Principles of Moral Theology
Kenneth E. Kirk Ignorance, Fa ith and Conformity
Kenneth E. Kirk Conscience and its Problems
Kenneth E. Kirk The Vision of God
M. Scheler Person and Self-Value
Nicolai Berdyaev The Destiny of Man
Reinhold Niehbur An Interpretation of Christian Ethics
Walter Rauschenbusch A Theology for the Social Gospel
Biggar, N. The Hastening that Waits
Matheny, P. D. Dogmatics and Ethics
Webster, John Barth's Moral Theology
Stassen, G. et al. Authentic Transformation