Catholicism Ia Q.87 · How the Intellectual Soul Knows Itself and All Within Itself Summa Theologica, Prima Pars, Question 87 — How the Intellectual Soul Knows Itself and All Within Itself (4 Articles).
Catholicism Ia Q.86 · What Our Intellect Knows in Material Things Summa Theologica, Prima Pars, Question 86 — What Our Intellect Knows in Material Things (4 Articles).
Catholicism Ia Q.85 · Of the Mode and Order of Understanding Summa Theologica, Prima Pars, Question 85 — Of the Mode and Order of Understanding (8 Articles).
Catholicism Ia Q.84 · How the Soul While United to the Body Understands Corporeal Things Beneath It Summa Theologica, Prima Pars, Question 84 — How the Soul While United to the Body Understands Corporeal Things Beneath It (8 Articles).
Catholicism Ia Q.83 · Of Free-will Summa Theologica, Prima Pars, Question 83 — Of Free-will (4 Articles).
Catholicism Ia Q.82 · Of the Will Summa Theologica, Prima Pars, Question 82 — Of the Will (5 Articles).
Catholicism Ia Q.81 · Of the Power of Sensuality Summa Theologica, Prima Pars, Question 81 — Of the Power of Sensuality (3 Articles).
Catholicism Ia Q.80 · Of the Appetitive Powers in General Summa Theologica, Prima Pars, Question 80 — Of the Appetitive Powers in General (2 Articles).
Catholicism Ia Q.79 · Of the Intellectual Powers Summa Theologica, Prima Pars, Question 79 — Of the Intellectual Powers (13 Articles).
Catholicism Ia Q.78 · Of the Specific Powers of the Soul Summa Theologica, Prima Pars, Question 78 — Of the Specific Powers of the Soul (4 Articles).
Catholicism Ia Q.77 · Of Those Things Which Belong to the Powers of the Soul in General Summa Theologica, Prima Pars, Question 77 — Of Those Things Which Belong to the Powers of the Soul in General (8 Articles).
Catholicism Ia Q.76 · Of the Union of Body and Soul Summa Theologica, Prima Pars, Question 76 — Of the Union of Body and Soul (8 Articles).
Catholicism Ia Q.75 · Of Man Who Is Composed of a Spiritual and a Corporeal Substance: and in the First Place, Concerning What Belongs to the Essence of the Soul Summa Theologica, Prima Pars, Question 75 — Of Man Who Is Composed of a Spiritual and a Corporeal Substance: and in the First Place, Concerning What Belongs to the Essence of the Soul (7 Articles).
Catholicism Ia Q.74 · On All the Seven Days in Common Summa Theologica, Prima Pars, Question 74 — On All the Seven Days in Common (3 Articles).
Catholicism Ia Q.73 · On the Things That Belong to the Seventh Day Summa Theologica, Prima Pars, Question 73 — On the Things That Belong to the Seventh Day (3 Articles).
Catholicism Ia Q.72 · On the Work of the Sixth Day Summa Theologica, Prima Pars, Question 72 — On the Work of the Sixth Day (1 Article).
Catholicism Ia Q.71 · On the Work of the Fifth Day Summa Theologica, Prima Pars, Question 71 — On the Work of the Fifth Day (1 Article).
Catholicism Ia Q.70 · Of the Work of Adornment, as Regards the Fourth Day Summa Theologica, Prima Pars, Question 70 — Of the Work of Adornment, as Regards the Fourth Day (3 Articles).
Catholicism Ia Q.69 · On the Work of the Third Day Summa Theologica, Prima Pars, Question 69 — On the Work of the Third Day (2 Articles).
Catholicism Ia Q.68 · On the Work of the Second Day Summa Theologica, Prima Pars, Question 68 — On the Work of the Second Day (4 Articles).