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15 Free Saint Augustine Books [PDF]

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Looking for Saint Augustine books? Augustine of Hippo (354 to 430), also known as St. Augustine, was a North African bishop and a Doctor of the Church whose writings shaped Western Christianity.

This collection gathers 15 of his works in free PDF, from the Confessions and The City of God to On the Trinity and his sermons. You'll also find his writings against Pelagius and the Manichaeans, and the Latin original of the Confessions.

Every book is free to read online or download as PDF. Not sure where to begin? Start with the Confessions, the most personal book he ever wrote.

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Confessions and Spiritual Writings

Augustine wrote the Confessions around 397, telling the story of his restless youth in Carthage and his conversion in Milan. Here you'll find two English translations, the Latin original and the Soliloquies, his inner dialogue with Reason.

  • The Confessions

    Augustine tells God the story of his restless youth in Carthage, the reading of Cicero's Hortensius that set him searching, his mother Monica's prayers and his conversion in Milan under Ambrose. The classic Pusey translation, complete in thirteen books.

    Saint Augustine

    Format: PDF 267 pages 0.78 MB
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  • Confessions and Enchiridion

    Albert C. Outler's clear modern translation of the Confessions, with an introduction on how and why Augustine wrote it. It closes with the Enchiridion, his short summary of the Christian faith.

    Saint Augustine

    Format: PDF 265 pages 2.13 MB
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  • Confessiones (Confessions)

    The thirteen books of the Confessions in Augustine's own Latin, from the 1838 Oxford edition. Ideal for reading the original next to an English translation or for practicing Latin.

    Saint Augustine

    Format: PDF 624 pages 3.41 MB
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  • The Soliloquies of St. Augustine

    An inner dialogue between Augustine and Reason, written just after his conversion, on how the soul can come to know God and itself. Translated by Rose Elizabeth Cleveland, with an introduction and notes.

    Saint Augustine

    Format: PDF 234 pages 6.69 MB
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The City of God and Doctrinal Works

When the Goths sacked Rome in 410, Augustine answered the pagans with The City of God, his contrast between the earthly city and the city of God. Next to it are On the Trinity, On Christian Doctrine and the Enchiridion, a short handbook on faith, hope and love.

  • The City of God

    Augustine's answer to the pagans who blamed Christianity for the sack of Rome in 410. Across twenty-two books he contrasts the earthly city with the city of God, complete in one volume.

    Saint Augustine

    Format: PDF 1232 pages 3.86 MB
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  • On Christian Doctrine

    Four books on how to understand and teach Scripture: signs and things, rules for reading obscure passages, and the art of Christian preaching. One of the founding texts of biblical interpretation.

    Saint Augustine

    Format: PDF 216 pages 1.33 MB
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  • Handbook on Faith, Hope, and Love

    Also known as the Enchiridion, this short manual written around 421 sums up Augustine's mature theology through the creed and the Lord's Prayer. A good starting point for anyone who wants his thought in brief.

    Saint Augustine

    Format: PDF 94 pages 0.8 MB
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  • On the Holy Trinity, Doctrinal Treatises and Moral Treatises

    The fifteen books of On the Trinity, where Augustine looks for images of the Trinity in the human mind, plus shorter treatises on faith, the creed, lying, marriage and patience. From the Nicene and Post-Nicene Fathers series edited by Philip Schaff.

    Saint Augustine

    Format: PDF 1295 pages 7.94 MB
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Writings Against Pelagius, the Manichaeans and the Donatists

Augustine's ideas on grace, free will and original sin took shape in debate with the Manichaeans, the Donatists and the monk Pelagius. These volumes collect those treatises, which later fed the debates of Luther and Calvin.

  • Anti-Pelagian Writings

    The treatises Augustine wrote against Pelagius on grace, free will, original sin and predestination, including On the Spirit and the Letter and On Grace and Free Will. The core texts behind centuries of debate on salvation.

    Saint Augustine

    Format: PDF 1565 pages 9.13 MB
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  • Writings Against the Manichaeans and Against the Donatists

    Augustine's replies to the Manichaeans he followed in his youth, including Against Faustus and On the Morals of the Catholic Church, together with his treatises on baptism and the unity of the Church against the Donatists.

    Saint Augustine

    Format: PDF 1382 pages 8.77 MB
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  • Writings in Connection with the Donatist Controversy

    The treatises Augustine wrote against the Donatists, who split the African Church over who could validly baptize. Includes On Baptism and the answer to Petilian, in J. R. King's translation.

    Saint Augustine

    Format: PDF 568 pages 2.52 MB
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Sermons, Letters and Biblical Commentaries

As bishop of Hippo, Augustine preached almost every week for more than thirty years, from the Gospel of John to all 150 Psalms. The section closes with his letters, including his exchanges with Jerome.

Augustine died in 430 while the Vandals besieged Hippo, but his library survived. Sixteen centuries later, readers still find themselves in the Confessions.

Want more thinkers from the ancient world? Explore our collection of classic authors books, with Plato, Seneca, Dante and many more.

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