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Lactantius · 313–314 · Treatise
The Epitome of the Divine Institutes is Lactantius's condensed version of his monumental seven-book apologetic work, written around 313-314 during the dawning age of Constantine's Christian empire. Having completed his comprehensive defense…
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Lactantius · 313–320 · Treatise
Lactantius composed this treatise on divine anger during the early fourth century as a direct response to philosophical challenges against Christian doctrine. Writing in the aftermath of Diocletian's persecution and amid the…
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Eusebius of Caesarea · 314–320 · Treatise
The Demonstratio Evangelica stands as Eusebius of Caesarea's comprehensive apologetic treatise, written between 314 and 320 during the dawn of Christianity's legal status under Constantine. Originally conceived as the second part of…
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Eusebius of Caesarea · 315–325 · Commentary
Eusebius of Caesarea's Commentary on the Psalms emerged during the early fourth century as part of his broader project to establish biblical interpretation on solid textual and historical foundations. Writing in the…
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Eusebius of Caesarea · 315–325 · Letter
The Epistula ad Carpianum is a brief letter written by Eusebius of Caesarea to a Christian named Carpianus in the early fourth century, serving as an explanatory introduction to Eusebius's revolutionary system…
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Lactantius · 315 · Treatise
Lactantius composed this fierce apologetic treatise around 315, in the immediate aftermath of Constantine's victory over Maxentius and the effective end of systematic imperial persecution of Christians. Writing as both theologian and…
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Athanasius of Alexandria · 318–335 · Treatise
For readers who want the whole argument that ends in On the Incarnation: the case against idolatry and for knowing God through the soul and creation; read On the Incarnation first if you have time for only one.
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Arius · 318 · Letter
This letter represents one of the earliest and most direct statements of Arian theology, written by the Alexandrian presbyter Arius to his former fellow student Eusebius, who had become bishop of Nicomedia.…
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Athanasius of Alexandria · 318–335 · Treatise
For any reader who wants the classic short answer to why God became man; read Against the Heathen first only if you want the whole two-part argument.
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Works The Complete Works Of Saint Athanasius
Athanasius of Alexandria · 318–373 · Other
For readers who want one downloadable file of his works; the individual works are catalogued separately and are better reading copies.
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Historical Tracts Historical Tracts of S. Athanasius
Athanasius of Alexandria · 320–373 · Other
For historians: the 1843 Oxford volume of his defences and his History of the Arians in one book; the individual works are catalogued separately.
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Arius · 320 · Letter
This brief theological letter represents one of the earliest surviving documents of the Arian controversy that would reshape fourth-century Christianity. Written around 320, it is Arius's direct appeal to his bishop Alexander…
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Athanasius of Alexandria · 320–373 · Letter
The letters of Athanasius of Alexandria span over five decades of theological controversy and pastoral care in fourth-century Egypt. Written between approximately 320 and 373, these epistles emerged from Athanasius's role as…
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Letters Letters of Pachomius
Pachomius · 320–346 · Letter
The Letters of Pachomius emerge from the administrative and spiritual challenges of governing the first organized Christian monasteries in fourth-century Egypt. Pachomius, who established his initial community around 320 near Tabennisi in…
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Pachomius · 320–346 · Treatise
The Rule of St. Pachomius emerged from the first organized Christian monastic communities in fourth-century Egypt, where Pachomius established a revolutionary form of religious life that moved beyond the solitary hermit tradition…
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Arius · 320 · Poem
The Thalia represents one of the most consequential theological poems in Christian history, composed by Arius around 320 as popular propaganda for his understanding of Christ's relationship to the Father. Written in…
