Summa Theologica
Aquinas's summation of Christian theology, disputed article by article.
Ia-IIae Q.93 · Of the Eternal Law
Summa Theologica, Prima Secundæ, Question 93 — Of the Eternal Law (6 Articles).
Ia-IIae Q.92 · Of the Effects of Law
Summa Theologica, Prima Secundæ, Question 92 — Of the Effects of Law (2 Articles).
Ia-IIae Q.91 · Of the Various Kinds of Law
Summa Theologica, Prima Secundæ, Question 91 — Of the Various Kinds of Law (6 Articles).
Ia-IIae Q.90 · Of the Essence of Law
Summa Theologica, Prima Secundæ, Question 90 — Of the Essence of Law (4 Articles).
Ia-IIae Q.89 · Of Venial Sin in Itself
Summa Theologica, Prima Secundæ, Question 89 — Of Venial Sin in Itself (6 Articles).
Ia-IIae Q.88 · Of Venial and Mortal Sin
Summa Theologica, Prima Secundæ, Question 88 — Of Venial and Mortal Sin (6 Articles).
Ia-IIae Q.87 · Of the Debt of Punishment
Summa Theologica, Prima Secundæ, Question 87 — Of the Debt of Punishment (8 Articles).
Ia-IIae Q.86 · Of the Stain of Sin
Summa Theologica, Prima Secundæ, Question 86 — Of the Stain of Sin (2 Articles).
Ia-IIae Q.85 · Of the Effects of Sin, And, First, of the Corruption of the Good of Nature
Summa Theologica, Prima Secundæ, Question 85 — Of the Effects of Sin, And, First, of the Corruption of the Good of Nature (6 Articles).
Ia-IIae Q.84 · Of the Cause of Sin, in Respect of One Sin Being the Cause of Another
Summa Theologica, Prima Secundæ, Question 84 — Of the Cause of Sin, in Respect of One Sin Being the Cause of Another (4 Articles).
Ia-IIae Q.83 · Of the Subject of Original Sin
Summa Theologica, Prima Secundæ, Question 83 — Of the Subject of Original Sin (4 Articles).
Ia-IIae Q.82 · Of Original Sin, as to Its Essence
Summa Theologica, Prima Secundæ, Question 82 — Of Original Sin, as to Its Essence (4 Articles).
Ia-IIae Q.81 · Of the Cause of Sin, on the Part of Man
Summa Theologica, Prima Secundæ, Question 81 — Of the Cause of Sin, on the Part of Man (5 Articles).
Ia-IIae Q.80 · Of the Cause of Sin, as Regards the Devil
Summa Theologica, Prima Secundæ, Question 80 — Of the Cause of Sin, as Regards the Devil (3 Articles).
Ia-IIae Q.79 · Of the External Causes of Sin
Summa Theologica, Prima Secundæ, Question 79 — Of the External Causes of Sin (4 Articles).
Ia-IIae Q.78 · Of That Cause of Sin Which Is Malice
Summa Theologica, Prima Secundæ, Question 78 — Of That Cause of Sin Which Is Malice (4 Articles).
Ia-IIae Q.77 · Of the Cause of Sin, on the Part of the Sensitive Appetite
Summa Theologica, Prima Secundæ, Question 77 — Of the Cause of Sin, on the Part of the Sensitive Appetite (8 Articles).
Ia-IIae Q.76 · Of the Causes of Sin, in Particular
Summa Theologica, Prima Secundæ, Question 76 — Of the Causes of Sin, in Particular (4 Articles).
Ia-IIae Q.75 · Of the Causes of Sin, in General
Summa Theologica, Prima Secundæ, Question 75 — Of the Causes of Sin, in General (4 Articles).
Ia-IIae Q.74 · Of the Subject of Sin
Summa Theologica, Prima Secundæ, Question 74 — Of the Subject of Sin (10 Articles).