Bibliotheca Catholica
Church Documents
Catechisms, ecumenical councils, papal encyclicals, canon law, and doctrinal documents, straight from the source.
The documents of the Church’s teaching office, from catechisms and councils to encyclicals and canon law, linked at vatican.va and other official sources.
- Catechism of the Catholic Church (Vatican) — The 1992/1997 Catechism of the Catholic Church in English.
- Catechism of the Catholic Church (USCCB, searchable) — Searchable online CCC from the U.S. bishops.
- Compendium of the Catechism — Question-and-answer summary of the CCC (2005).
- YOUCAT — Youth Catechism of the Catholic Church.
- Roman Catechism (Catechism of the Council of Trent) — The 1566 catechism for parish priests (Internet Archive scans).
- Baltimore Catechism (Project Gutenberg) — Baltimore Catechism No. 1, the classic American catechism (1885).
- Catechism of St. Pius X — Pius X's 1908 catechism in English translation (EWTN).
- Second Vatican Council documents — All 16 documents of Vatican II.
- All ecumenical councils (Papal Encyclicals Online) — Decrees of the 21 ecumenical councils from Nicaea to Vatican II.
- Council of Trent — canons and decrees — Canons and decrees of Trent (1545–1563).
- First Vatican Council — Dei Filius and Pastor Aeternus (1869–1870).
- Vatican.va — Holy See homepage — Official site of the Holy See: every modern pope's encyclicals, homilies, letters.
- Pope Leo XIV documents — Documents of the reigning pope (elected 2025).
- Pope Francis documents — Encyclicals, exhortations, and homilies of Pope Francis (2013–2025).
- Pope Benedict XVI documents — Documents of Benedict XVI (2005–2013).
- Pope St. John Paul II documents — Documents of John Paul II (1978–2005).
- Papal Encyclicals Online — Encyclicals and bulls from early popes to the present.
- Acta Apostolicae Sedis (AAS) archive — Official gazette of the Holy See, PDF archive from 1909.
- Dicastery for the Doctrine of the Faith — Doctrinal documents of the DDF (formerly CDF).
- Denzinger — Enchiridion Symbolorum (Internet Archive) — The standard handbook of creeds, definitions, and declarations.
- Denzinger — The Sources of Catholic Dogma (isidore.co) — The Sources of Catholic Dogma (Deferrari translation of the 30th edition): its catalogue page in the St. Isidore e-book library.
- Compendium of the Social Doctrine of the Church — Systematic presentation of Catholic social teaching (2004).
- Code of Canon Law (1983) — The law of the Latin Church.
- Code of Canons of the Eastern Churches (1990) — The law of the Eastern Catholic Churches (Latin).
- 1917 Code of Canon Law (Internet Archive) — The Pio-Benedictine Code (scans).