Note: Some texts are buried deep in e-archives. If title link does not work, click source.

[ General Resources ] [ Jesus & Christology ] [ Early Church ] [ Eastern Christianity ] [ Medieval Latin Christianity ]
[ Protestant Reformation ] [ Roman Catholic Reform ] [ Missionary Expansion & Revivals ] [ Modern Christianity ]

Early Church

The Apostolic Preaching and its Developments

Full text of C. H. Dodd's 1964 collected essays on the evolution of the primitive Christian kerygma & the historical analysis of Christian scripture (posted by Religion-Online).


On-line version of William Barry's Catholic Encyclopedia article on the 4th c. doctrinal controversy.

Augustine of Hippo

James J. O'Donnell provides an introduction to the life & works of the north African bishop & an archive of key texts (many in the original Latin as well as English translation) along with scholarly introductions & commentaries. Works include the Confessions, On Christian Doctrine, On Dialectic, & the Sermon on the Mount, as well as an e-edition of O'Donnell's own 1992 Commentary on the Confessions.

Christian Catacombs of Rome

Italian commercial site provides images & historical commentary on the several tomb complexes in which early Christians found refuge.

Christian Classics Ethereal Library

Project hosted by Calvin College will put all 38 volumes of the Ante-Nicene, Nicene & Post-Nicene Fathers on-line. English translations of all orthodox Christian theologians from Clement of Rome through 800 CE.

The Church in the Roman Empire before A.D. 170

Full text of the fifth (1897) edition of William M. Ramsay's study of primitive Christianity [Internet Text Archive].

The Confessions of Augustine

Electronic version of J. J. O'Donnell's 1992 Oxford U. Press critical edition has complete Latin text with commentary (posted by the Stoa Consortium).

Early Christian Writings

Chronological portal to the study of Christian literature from 30-250 CE. Citations from major critical scholars with links to texts, online books & related resources for each work make Peter Kirby's site an excellent place to start research on any Christian writing from the gospel's passion narrative through Origen.

Egeria & the Fourth Century Liturgy of Jerusalem

Michael Fraser provides Latin & English versions of the diary of a western pilgrim that documents the annual cycle of Christian liturgical celebrations in the churches of Constantine.

Fathers of the Church Page

The Wesley Center of NW Nazarene U's non-canonical homepage accesses complete works of apostolic fathers (Didache, Clement of Rome, Barnabas, Mathetas, Polycarp & Ignatius) & Justin Martyr. Selected works of Irenaeus, Tertullian, Athanasius, Basil, Jerome, Chrysostom, Augustine & Theodore of Studium. Links to most other sites of texts relevant to early Christianity.

Fathers of the Church

Another e- edition of the preceding works published by New Advent Catholic Website.

The First Christians

PBS Frontline surveys leading scholars' views of the social development of the early Jesus movement.

Guide to Early Church Documents

John Brubaker & Gary Bogart maintain an up-to-date annotated index of hypertext editions of Christian theological sources from the NT thru the 2nd Council of Constantinople (533 CE) & a few later works.

The Hall of Church History  

Phil Johnson's archive of Christian theology includes a catalog of creeds & catechisms (from the NT to Chalcedon & beyond) & writings of theologians from the apostolic fathers to Augustine.

The Marcionite Research Library

Site devoted to study of Marcion of Sinope, the 2nd c. dualistic reformer whose radical interpretation of Paul polarized churches from Asia Minor to Rome & sparked the development of the NT. On-line library includes important assessments by modern scholars & ancient polemicists as well as reconstructions of Marcion's gospel, letters of Paul & theological antitheses.


Peter Kirby's gateway to electronic resources on the most influential 3rd c. Greek theologian including the first Christian systematic theology (De Principiis) & his refutation of the characterization of Christianity by a 2nd c. pagan philosopher (Contra Celsum).

Orthodoxy & Heresy in Earliest Christianity

On-line ET of Walter Bauer's seminal 1934 thesis that heterodoxy preceded orthodoxy in the first three centuries of the church. Appendix on Jewish Christianity by Georg Strecker.

Why Did Christianity Succeed?

PBS Frontline surveys leading scholars' views of the factors that transformed a persecuted Jewish sect into the religion of the Roman empire.


Eastern Christianity

Constantinoupolis on the Web

Gateway to the history of Constantine's "New Rome" and its role in the formation of Byzantine Orthodoxy archives e-editions of A. Vasilief's History of the Byzantine Empire (1928), excerpts from A. Schmemann's Historical Road of Eastern Orthodoxy (1997) & works of Greek churchmen from the 2nd to 20th c. as well as a virtual museum of the treasures of Mount Athos.

Medieval Sourcebook: Byzantine Religion

Paul Halsall's topical library of primary texts includes a host of extracts from sources on theology, spirituality, liturgy, sanctity, monasticism, heresy & veneration of icons (Fordham U).

The St. Pachomius Library

Voluminous e-archive of uncopyrighted Orthodox Christian texts features a global index to all major collections of patristic texts on the internet.


Medieval Latin Christianity


Full text of James J. O'Donnell's 1976 study of the 5th c. Christian scholar who promoted the classic Latin heritage in the Gothic world of early medieval monasticism.

The Crusades (Internet Medieval Sourcebook)

Paul Halsall collects papal appeals & crusaders' accounts.

The Franciscan Archive

Gateway to all websites on Franciscan history, documents, literature, liturgy & saints.

St. Dominic and the Order of Preachers

Digital edition of J. B. O'Connor's 1916 biography of Dominic de Guzman & the characteristics & achievements of his order (archived by Maritain Center, U of Notre Dame).

St. Francis of Assisi

New Advent puts Paschal Robinson's 1909 article on the thirteenth c. reformer online.

The Internet Medieval Sourcebook  

Paul Halsall's mega-archive & directory offers links to both assignment-sized extracts & complete documents organized by period & culture.

The Labyrinth

Martin Irvine & Deborah Everhart's website coordinates a broad-range of on-line resources for the study of medieval culture, including bookshelves of Latin philosophical & theological texts & church history.

Medieval Sourcebook: The Roman Church

Paul Halsall's collection includes selected sources on the rise of the church of Rome, monastic rules (Benedict & Columba) & other texts from influential Latin monks (including Gregory I, Bede, Boniface).

ORB: On-Line Reference Book For Medieval Studies

Cooperative scholarly project to establish a common textbook source for medieval studies on the WWW. The ORB Encyclopedia provides access to original essays on medieval topics posted on various websites. A library of on-line textbooks accesses to major websites designed by medievalists. A reference shelf alphabetically arranged by author facilitates location of primary sources posted anywhere on the internet.

Order of St. Benedict: Rule

Primary Latin monastic rule (translated into English & other languages) with historical preface by Jerome Theisen & an extensive bibliographical index.

Regesta Imperii

Searchable database of classic history of the deeds of the Holy Roman Emperors & popes from the early Carolingians to the early 16th c. (Academy of Science and Literature, Mainz, Germany).

Summa Theologica of St. Thomas Aquinas

1947 English Dominican translation of the 13th c. master's massive compendium of theological questions. Primary source of later RC Thomistic theology (posted by Christian Classics Ethereal Library).

Summa Theologica

Original Latin text of Aquinas' work. Only the first of three parts currently on line (posted by The Latin Library).

William of Ockham, Dialogus

Cyber-edition of Latin text & English translation of 14th c. defense of radical Franciscans in their dispute with Pope John XXII. Influential pre-Reformation critique of the papacy (Fine example of use of internet for current critical scholarship, from John Kilcullen & John Scott).


Digging. Help fill holes.

This page was revised 02 February 2023


Copyright 1997- 2023 by Mahlon H Smith
All rights reserved.