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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…
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Arius · 327 · Letter
This brief letter represents Arius's direct appeal to Emperor Constantine around 327, written during his exile following the Council of Nicaea. The Alexandrian presbyter had been condemned for his teaching that the…
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Athanasius of Alexandria · 329–373 · Letter
For readers of the church year and of the canon: his Easter letters, including Letter 39, the first list of exactly the 27 New Testament books.
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Eusebius of Caesarea · 333 · Treatise
Eusebius of Caesarea composed this theological treatise around 333, in the immediate aftermath of Constantine's legalization of Christianity and the Council of Nicaea. Writing as both historian and apologist, Eusebius sought to…
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Eusebius of Caesarea · 337–339 · Book
Written shortly after Emperor Constantine's death in 337, Eusebius of Caesarea's Life of Constantine stands as the earliest and most influential biography of the first Christian emperor. Eusebius, who served as bishop…
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Athanasius of Alexandria · 337–346 · Treatise
For readers interested in how one verse (Matthew 11:27) was argued over by Arians and Nicenes; short and technical.
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Athanasius of Alexandria · 339 · Letter
For historians of the Arian years; a short protest letter.
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Statement of Faith Declaration of Faith, in Latin and the Original Greek
Athanasius of Alexandria · 340–360 · Treatise
For students comparing early creeds; a page-long statement, best read alongside On the Incarnation.
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Cyril of Jerusalem · 348–350 · Treatise
The Catechetical Lectures represent one of the most complete surviving records of fourth-century Christian initiation practices. Delivered by Cyril, Bishop of Jerusalem, between 348 and 350, these twenty-four lectures were given to…
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Cyril of Jerusalem · 348–350 · Sermon
The Mystagogical Catecheses comprise five sermons delivered by Cyril, Bishop of Jerusalem, to newly baptized Christians during Easter week in the late 340s. These addresses were given in the Church of the…
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Catechetical Lectures Nicene and Post-Nicene Fathers Series II Volume VII - Cyril of Jerusalem
Cyril of Jerusalem · 348–350 · Book
Cyril of Jerusalem's Catechetical Lectures represent one of the earliest and most complete systems of Christian instruction for new converts, delivered during his tenure as Bishop of Jerusalem from around 348 to…
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Athanasius of Alexandria · 350–356 · Treatise
For students of how the Arians read earlier Alexandrian theology; a specialist piece.
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Wulfila (Ulfilas) and associates · 350 · Scripture
Associated with Wulfila (Ulfilas), the fourth-century bishop who worked among the Goths and is credited with devising the Gothic alphabet for the purpose, the Gothic Bible is the earliest substantial literary monument…
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Hilary of Poitiers · 350–367 · Poem
Hilary of Poitiers composed these three surviving hymns during his years of exile in Phrygia, imposed by Emperor Constantius II between 356 and 360 for his opposition to Arianism. Writing in a…
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Ephrem the Syrian · 350–363 · Poem
Ephrem the Syrian's Hymns Against Heresies emerged from the theological battlegrounds of fourth-century Mesopotamia, where Christian communities faced sustained challenges from Arian, Marcionite, and Manichaean teachings. Writing between 350 and 363 in…
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Ephrem the Syrian · 350–373 · Other
The hymns and homilies of Ephrem the Syrian emerge from the theological battles and pastoral challenges of fourth-century Mesopotamia. Writing in Syriac from his base in Nisibis and later Edessa, Ephrem composed…
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Ephrem the Syrian · 350–370 · Poem
The Madrāšē d-Haymənutā (Hymns on Faith) represent Ephrem the Syrian's poetic response to the Arian controversy that threatened to divide fourth-century Christianity. Writing from Nisibis and later Edessa between 350 and 370,…
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Pachomius · 350–400 · Other
The Life of Saint Pachomius emerges from the fourth-century Egyptian desert, where the great monastic pioneer established the first organized Christian cenobitic communities along the Nile. Originally composed in Coptic during the…
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Ephrem the Syrian · 350–363 · Poem
The Carmina Nisibena (Songs of Nisibis) is a collection of seventy-seven hymns composed by Ephrem the Syrian between 350 and 363 CE in response to the repeated Persian sieges of his native…
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Athanasius of Alexandria · 350 · Treatise
For readers who want to know why Nicaea used the word "of one essence" with the Father; the best short entry into the controversy.
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Hilary of Poitiers · 350–367 · Other
Hilary of Poitiers emerged as one of the West's most formidable defenders of Nicene orthodoxy during the turbulent decades following the Council of Nicaea. Writing between 350 and 367, his selected works…
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Athanasius of Alexandria · 356 · Letter
For historians and students of the creeds of the 350s; a pastoral warning letter.
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