A Topic of Moral Theology
Utilitarianism
The system that measures right and wrong by consequences and general happiness, and the case against it — treated at length in Rickaby (Part II, ch. X).
In the index as Altruism · Delight · Hedonism · Pleasure · Utilitarianism · Virtue · Aristotle · General Consequences · Mill, John · Nature · Plato · Sensualism · Stoics · Virtuous man
In the manuals
Read the manuals side by side → — each work's whole treatment in its own column
Summa Theologiae Moralis
Vol. I, General Moral Theology, Treatise: On Human Acts in…, Second Part: On Human Acts…, Section A: On the Morality…, Q. II, Article IV: On False Systems Concerning the Foundations of Morality, nn. 130 & 131 (38 passages — hover a number to read it)
Vol. I, Appendix. Excursus: On the Systems of Philosophers concerning the Foundation and Norm of Morality, nn. ¶1–¶99 (99 passages)
Moral Philosophy: Ethics, Deontology and Natural Law
Pt. II, Chapter X. Of Utilitarianism, nn. 1, 2, 3 & 4 (4 passages — hover a number to read it)
Treated under the broader heading The Morality of Human Acts — Slater, Manual of Moral Theology · Wouters, Manual of Moral Theology · McHugh–Callan, Moral Theology · Bucceroni, Institutions of Moral Theology · Bucceroni, Commentaries on Human Acts · Gury-Ballerini, Compendium of Moral Theology (8th ed., 1884) · Tanquerey · Vermeersch, Theologia Moralis · Prümmer, Manuale Theologiae Moralis · Marc, Institutiones Morales · Konings, Theologia Moralis · Billuart, Summa Summae · Coppens, Moral Philosophy — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)