1st Council of Constantinople (381) - Nicean Creed
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Roman Rulers
Apostolic Fathers
Greek Fathers
Great Fathers
Latin Fathers
Other Fathers
Major Digital Libraries & Collections
Here are resources that you can use to check the original texts and translations of the Early Church Fathers.
Christian Classics Ethereal Library (CCEL) — Early Church Fathers
Houses the Ante-Nicene, Nicene & Post-Nicene, and related collections (in English).
(Christian Classics Ethereal Library)
New Advent — Fathers of the Church
A large collection of Church Fathers’ works (in English) with navigation by author and book.
(New Advent)
Wikisource — Early Church Fathers series
Includes transcriptions of the volumes (English) of Ante-Nicene Fathers, Nicene & Post-Nicene Fathers, etc.
(Wikisource)
Archive.org — Patrologia Latina (vols. 1-221)
Scans / downloads of many volumes of Patrologia Latina are freely available.
(Internet Archive)
Early Christian Writings
A site that collects works of early Christian authors, especially those from the 1st–3rd centuries.
(Early Christian Writings)
Tertullian.org — Early Church Fathers (Additional Works)
English translations (public domain) not included in the standard 38-volume collections.
(tertullian.org)
Primary Texts Online – Early Christian Studies (Wheaton College guide)
A curated guide with links to many online primary texts, both in translation and original languages.
(guides.library.wheaton.edu)
Catholic Culture — Fathers of the Church
A selection of patristic texts (mainly in English) with links for reading.
(Catholic Culture)
Early Church Texts
Offers original language (Greek/Latin) and English translations side by side for many early Christian works.
(Early Church Texts)
Patristica.net — Patrologia Latina
Offers Latin texts from Migne’s Patrologia Latina, organized by volume and author.
(patristica.net)
Patrologia Latina Database / ProQuest
A searchable, full-text (Latin) database of the Patrologia Latina (requires subscription or institutional access)
(ProQuest)
Corpus Corporum (University of Zurich / Corpus Córporum)
A digital Latin/Greek repository that includes Patrologia Latina among many medieval / classical corpora.
(Wikipedia)