Fontes Patrum
The Fathers and the medieval masters, in Latin, Greek and English.
“The Fathers” is meant here in the broad sense Migne gave it: his Patrologia Latinaruns from Tertullian to Innocent III, so the saints’ lives, the medieval commentators and the schoolmen who read them all belong. Each edition is its own site, with the original language beside English; this page is the way in to all of them.
Reading editions
Ambrose of Milan
Exposition of Psalm 118
Paperback · Read online
A facing-page Latin–English edition of Ambrose's longest commentary, following Zelzer's CSEL 62 — in print and as a free digital reading edition.
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Acta Sanctorum
Read online
The flagship — a digital reading edition of the Bollandist Acta Sanctorum: Latin text, English translation, and apparatus, organised by feast day.
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Bonaventure, Opera Omnia
Read online
An English translation of the Opera Omnia of St. Bonaventure from the Quaracchi critical edition, Latin alongside English, with scholia and apparatus criticus — volume by volume, beginning with the Commentary on the Sentences.
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Migne
The Patrologia in English
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Migne's Patrologia Latina and Graeca, rendered into English and made citable by volume and column — every work a page from day one, Latin and Greek alongside, translation lighting up the map one first-ever English rendering at a time.
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Sententiae
Peter Lombard's Sentences as a daf
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Peter Lombard's Sentences laid out like a Talmud page — the distinctio in the center, the commentary tradition (c. 1225–1615) around it, every witness dated, sourced, and threaded to the ones it cites, contests, transmits, or parallels.
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Wyclif's Latin Works
Read online
The Latin works of John Wyclif, as the Wyclif Society printed them (1883–1922), with a new English translation, work by work.
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FitzRalph, Summa in quaestionibus Armenorum
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Richard FitzRalph's Summa on the questions of the Armenians (Paris, 1512): the Latin, read by machine from the print, and a new English translation.
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The Douay-Rheims with the Glossa Ordinaria
Read online
The Douay-Rheims Bible (Challoner revision) alongside the Glossa ordinaria, the standard medieval marginal commentary on Scripture, in a fresh English translation.
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Neoplatonism.org
Read online
A digital library of Neoplatonism: Plotinus, Porphyry, Iamblichus, Proclus, Damascius, Dionysius and their Latin, Arabic and Renaissance heirs, from public-domain editions, freshly translated, with the commentators in the margins.
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In print
Saint Agatha of Catania
The Acts, the Greek Recensions, the Oration of Methodius, the Translation, and the Miracles
Paperback · Kindle
Her name is spoken in the Canon of the Mass — six distinct testimonies to the martyr of Catania, drawn from the Bollandist Acta Sanctorum and gathered under her feast day. The first title in The Acta Library, in English and Spanish.
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Acta Sanctorum
A Daily Devotional — Three Hundred Fifteen Lives of the Saints
Paperback
A year of the saints, a day at a time — 315 lives from January 1 to November 10, drawn from the Bollandist Acta Sanctorum and rendered into plain English. A companion in print to the digital reading edition.
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Critical and Theological Dissertations
On St. Athanasius and the Nicene Creed
Paperback · Kindle
The first English translation of John Henry Newman's Latin dissertations of 1847 — close studies in the language and theology of St. Athanasius and the Nicene faith.
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