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Christian Thought · History · Scholarship

Explore the Christian
intellectual tradition.

Discover authors, works, and ideas across centuries of Christian history.

Research Tools

Four ways to find something to read: by date, by influence, by terms, and by search.

Interactive Timeline

by time

Every author set by lifespan, every work by date, so you can see who wrote alongside whom and follow a tradition across the centuries. Click an author for relevant works, or a work for where to read or hear it, and build a reading list as you go.

Influence Map

by influence

Choose a writer and trace the authors who formed them on one side and those they formed on the other, or step back to the whole web of connections laid out across time. Links are added during research and appear once approved. Most name the work the influence runs through.

Glossary

By word

The words these writers use, explained. Theosis, justification, lectio divina, the dark night: each term in plain language, with where the traditions differ, the Scripture behind it, and related terms, and a link to search the library for it. A place to start when a word in a title or a description is new to you.

Search the Library

by subject

Search every title, description, author and pen name for a subject, then narrow by type of work, era, tradition, original language, difficulty, or what you can read free today. A search for *prayer* or *martyrdom* finds the works themselves, not just the titles that happen to contain the word.

Browse the Library

Explore authors, works, or by works you can read here for free, or by currated collections.

Authors

Who they were, and where to begin.

Every author has a page: a biography, their dates and tradition, everything they wrote in the library, and Start here, which names the first work to read and why. Where the lines of influence are known, they are on the page too.

Works

Should I read this?

Every work has a page that says who it is for, how long it is, and how demanding, in words rather than just a score. Beneath that, every edition we know of with a note on when a translation is easier or harder than the work itself.

Read Here

Classics, typeset for reading.

Public-domain works hosted on the site in full, set for comfortable reading with a table of contents and your own text size, typeface and theme remembered between visits. Where more than one translation exists, switch between them on the page.

Collections

Curated paths through the library.

Reading lists gathered around a question or a theme. Each lists its works and authors by date, with difficulty, length and where to read them, and can be added to your reading list or shown on the Timeline in one click.

Today

Two to meet today.

Friedrich von Hügel

Author of the day
1852 – 1925

Friedrich von Hügel (1852–1925) was a self-taught Catholic lay theologian and spiritual guide who lived between Vienna and Hampstead, and his writings on mystical religion, institutional faith, and the cost of honest spiritual growth remain a rich resource for Christian formation today.

The Life of St. Francis

Work of the day

The Legenda Maior stands as the official biography of Francis of Assisi, commissioned by the Franciscan Order and completed by Bonaventure in 1263, roughly forty years after Francis's death. The work emerged from a peri…

Library News

The latest updates in data, features and functions.

Copyrighted Authors – Update

October 23rd, 2026|

What was added Until this month the library was, in practice, a library of the public domain: the Fathers, the medievals, the Reformers, the devotional classics, and the modern writers

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