Acts or Disputation Against Fortunatus Against the Fundamental Epistle of Manichaeus Against Two Letters of the Pelagians (Book I) Answer to Petilian the Donatist (Book I) On Christian Doctrine The City of God Concerning Faith of Things Not Seen On the Nature of Good Homily 1 on the First Epistle of John Letter 1 (A.D. 386) On Merit and the Forgiveness of Sins, and the Baptism of Infants (Book I) On Baptism, Against the Donatists (Book I) On the Care of the Dead On Continence Of Faith and the Creed On Grace and Free Will Of Holy Virginity On Lying On Man's Perfection in Righteousness On Marriage and Concupiscence (Companion Letter) On Nature and Grace On Patience On Rebuke and Grace On the Catechising of the Uninstructed A Sermon to Catechumens on the Creed Of the Good of Marriage Of the Good of Widowhood On the Grace of Christ, and on Original Sin (Book I) On the Trinity Of the Morals of the Catholic Church On the Morals of the Manichaeans On the Proceedings of Pelagius On the Profit of Believing On the Soul and its Origin (Book I) On the Spirit and the Letter Of the Works of Monks Of Two Souls On the Sermon on the Mount, Book I Contra Faustum, Book I Sermon 1 on the New Testament Soliloquies, Book I Exposition on Psalm 1 The Handbook on Faith, Hope and Love The Harmony of the Gospels, Book I On the Predestination of the Saints (Book I) To Consentius, Against Lying Tractate 1 (John 1:1-5) Confessions An autobiographical work consisting of 13 books, outlining his sinful youth and his conversion to Christianity. 399