Catholic Bible, Catechism, Doctrine
The Bible: Full Texts of the Vulgata Clementina, the Douay-Rheims Bible, the Knox Bible (side by side) – read online
Douay-Rheims Roman Catholic Bible (OT + NT) – read online; or download pdf here, here or here
The Old Testament (Douay Rheims) – audiobook (many parts)
The Original and True Douay-Rheims New Testament (1582) – pdf; or also here; or audiobook here
The Original and True Douay-Rheims Old Testament (1609-10) – pdf; or pdf: volume I, volume II
The Holy Bible (Douay Rheims; Bp. R. Challoner) – pdf, epub, kindle: Old Testament; New Testament
Biblia Sacra Vulgata (Latin Clementine Vulgate Bible) – read online; or pdf here: latin; english
The Knox Bible – read online (trilingual: english Knox translation/greek Septuagint/latin Vulgata)
The New Testament (Ronald Knox translation) – pdf
The Septuagint Bible (OT) – pdf, text, epub, kindle format
The Septuagint Bible (OT; greek/english) – pdf, text, epub, kindle format
My Bible History (Bp. Louis L. M. Morrow) – audiobook: OT; NT (for children)
The Catechism of the Council of Trent (Catechism of St. Pius V) – pdf; or also here and here; or pdf, text, kindle format
here; or audio here (many parts) or here: part 1, part 2; [latin here]
Catechism of St. Pius X – read online; or pdf here; or epub here; or pdf, epub, kindle format here
The Douay Catechism (1649) – pdf; pdf also here; or pdf, kindle format here; or read online here
The Baltimore Catechism (1891) – pdf (#1, 2, 3)
The Baltimore Catechism #1 (for First Communion classes) – read online; or epub here
The Baltimore Catechism #2 (for Confirmation classes) – read online; or epub here; or audio here
The Baltimore Catechism #3 (for post-Confirmation classes) – pdf, epub; or read online here; or audio here
The Baltimore Catechism #4 (An Explanation of the Baltimore Catechism of Christian Doctrine) – epub
Master Catechism – read online (Aquinas, Trent, Baltimore, St. Pius X – by topic)
The Catechism Explained: An Exhaustive Exposition of the Christian Religion (Fr. F. Spirago) – pdf; or here
A Complete Catechism of the Catholic Religion (Fr. Joseph Deharbe) – pdf, text, kindle format
Deharbe’s Large Catechism – pdf; or pdf, text, kindle format here
A Catechism of the Catholic Religion (Fr. J. Deharbe) – pdf, text, epub, kindle format
Abridged Catechism of Christian Doctrine (Fr. J. Deharbe) – pdf, text, epub, kindle format
My Catholic Faith: A Catechism in Pictures (Mons. Louis Laravoire Morrow) – read online; or here
My Catholic Faith: A Manual of Religion (Bp. L. L. Morrow) – epub
Familiar Explanation of Christian Doctrine (Fr. M. Mueller) – pdf, text, epub, kindle format
Catechism of Perseverance: A Historical, Doctrinal, Moral, and Liturgical Exposition of the Catholic Religion (Mons.
Gaume) – pdf, txt, kindle format: volume I, volume II, volume III, volume IV
Catechism of Perseverance: A Compendium (Mons. Gaume) – pdf, txt, epub, kindle format
Catechism Made Easy: A Familiar Explanation of the Catechism of Christian Doctrine (Fr. Henry Gibson) – pdf, text, kindle format: volume I, volume II, volume III
The Penny Catechism – audiobook (4 parts); or also here and here
The Catechetical Reading-Book (Fr. J. Griffin) – pdf, text, epub, kindle format
Biblical Treasury of the Catechism (Fr. T. Cox) – audiobook (various parts)
Catechism of the Christian Religion (Fr. S. Keenan) – pdf, text, epub, kindle format
A Doctrinal Catechism (Fr. Stephen Keenan) – read online; or pdf, text, epub, kindle format here
A Controversial Catechism, or, Protestantism Refuted… (Fr. S. Keenan) – pdf, text, epub, kindle format
Anecdotes and Examples Illustrating the Catholic Catechism (Fr. F. Spirago) – pdf, text, kindle format
An Illustrated Catechism (Fr. A. Heeg) – pdf, text, kindle format (for children)
My First Communion (Bp. Louis L. M. Morrow) – pdf, epub, kindle format (catechism for First Communion)
The Alphabet of the Child Jesus (Catechesis for Children; english/spanish) – pdf; or also here
The Catechism in Examples – audiobook (various parts)
Catechism of an Interior Life (Fr. J. J. Olier) – pdf, text, epub, kindle format
Christian Doctrine (Fr. L. Vaux) – read online
A Short Christian Doctrine (St. Robert Bellarmine) – pdf; or pdf, epub, kindle format here
Catholic Belief: A Short and Simple Exposition of Catholic Doctrine (Fr. J. Faa di Bruno) – pdf, text, kindle
An Introduction to the Catholic Faith; incl. an Examination of Conscience for General Confession (St. Peter Canisius) – pdf, text, kindle format
A Summa of Christian Doctrine (St. Peter Canisius) – pdf, text, kindle format
Abridged Course of Religious Instruction: Apologetic, Dogmatic and Moral (Fr. F. X. Schouppe) – pdf
God the Teacher of Mankind, or, Popular Catholic Theology (Fr. M. Mueller) – pdf, text, epub, kindle format: volume I, vol. II, vol. III, vol. IV, vol. V, vol. VI, vol. VII, vol. VIII, vol. IX
Catechism of the Liturgy, for Young and Old (1919) – pdf
Catechism on Modernism according to the encyclical ‘Pascendi Dominici Gregis’ of His Holiness Pius X (J.B. Lemius) – pdf, text, kindle format
Summa Theologica (St. Thomas Aquinas) – pdf; epub, pdf here; or read online here or here; or in audio format; [parallel latin/english text here]
Catechism of the Summa Theologica of St. Thomas Aquinas – pdf
The Catechetical Instructions of St. Thomas Aquinas – pdf; or also here
A Synthesis of Thomistic Thought (Fr. Reginald Garrigou-Lagrange) – read online
A Tour of the Summa (Mons. Paul J. Glenn) – read online
Sources of Catholic Dogma (Fr. H. J. D. Denzinger) – read online; also here; [latin text here]; or pdf here and here
Fundamentals of Catholic Dogma (Fr. Ludwig Ott) – pdf
Dogmatic Canons and Decrees – pdf, text, kindle format
The Canons and Decrees of the Council of Trent – pdf, text, kindle format; or read online here
The Catholic Church and Salvation: In the Light of Recent Pronouncements by the Holy See (Mons. J. C. Fenton) – pdf
The Administration of the Sacraments (Fr. N. Halligan) – pdf
Supplied Jurisdiction According to Canon 209 (Fr. F. S. Miaskiewicz) – pdf
A Commentary on the New [1917] Code of Cannon Law (Fr. C. Augustine) – pdf
The New Canon Law (1917): A Commentary and Summary (Fr. S. Woywod) – pdf, epub, kindle format
A Manual of Canon Law (Fr. M. Ramstein; 1947) – pdf
The Syllabus, Its Meaning and Purpose (Fr. H. J. Heuser) – pdf
Dogmatic Theology (Mons. Van Noort) – pdf: volume I (The True Religion), volume II (Christ’s Church)
Outlines of Dogmatic Theology (Fr. S. J. Hunter) – pdf: volume I, volume II, volume III
Dogmatic Theology I. God: His Knowability, Essence, Attributes (Mons. J. Pohle) – pdf, text, kindle format
Dogmatic Theology II. The Divine Trinity (Mons. Joseph Pohle) – pdf, text, kindle format
Dogmatic Theology III. God: The Author of Nature and the Supernatural (Mons. J. Pohle) – pdf, text, kindle
Dogmatic Theology IV. Christology (Mons. Joseph Pohle) – pdf, text, kindle format
Dogmatic Theology V. Soteriology: A Dogmatic Treatise on the Redemption (J. Pohle) – pdf, text, kindle format
Dogmatic Theology VI. Mariology: A Dogmatic Treatise on the Blessed Virgin Mary (Mons. Joseph Pohle) – pdf, text
Dogmatic Theology VII. Grace, Actual and Habitual (Mons. J. Pohle) – pdf, text, kindle format
Dogmatic Theology VIII. The Sacraments, Vol. 1: Baptism, Confirmation (J. Pohle) – pdf, text, kindle format
Dogmatic Theology IX. The Sacraments, Vol. 2: The Holy Eucharist (J. Pohle) – pdf, text, kindle format
Dogmatic Theology X. The Sacraments, Vol. 3: Penance (Mons. J. Pohle) – pdf, text, kindle format
Dogmatic Theology XI. The Sacraments, Vol. 4: Extreme Unction, Holy Orders, Matrimony (Mons. J. Pohle) – pdf, text, kindle format
Dogmatic Theology XII. Eschatology: The Catholic Doctrine of the Last Things (J. Pohle) – pdf, text, kindle
Sacrae Theologiae Summa (IA): On Christian Revelation (Fr. M. Nicolau) – pdf
Sacrae Theologiae Summa (IB): On the Church of Christ; On Holy Scripture (Fr. J. Salaverri) – pdf
Sacrae Theologiae Summa (IIA): On the One and Triune God (Fr. J. M. Dalmau) – pdf
Sacrae Theologiae Summa (IIB): On God the Creator and Sanctifier; On Sins (Fr. J. F. Sagues) – pdf
Sacrae Theologiae Summa (IIIA): On the Incarnate Word; On the Blessed Virgin Mary (Frs. Solano, Aldama) – pdf
Sacrae Theologiae Summa (IIIB): On Grace; On the Infused Virtues (Fr. S. Gonzalez Rivas) – pdf
Sacrae Theologiae Summa (IVA): On the Sacraments in General; On Baptism, Confirmation, Eucharist, Penance and Anointing (Frs. Aldama, Gonzalez, Sola, Sagues) – pdf
Sacrae Theologiae Summa (IVB): On Holy Orders and Matrimony; On the Last Things (Frs. Sola, Sagues) – pdf
Handbook of Moral Theology (Fr. D. M. Pruemmer) – pdf, text, epub, kindle; or pdf here
A Handbook of Moral Theology (Anton Koch) – pdf, text, kindle format: volume I, volume II, volume III
Moral Theology: A Complete Course Based on St. Thomas Aquinas and the Best Modern Authorities (J. A. McHugh, C. J. Callan) – text; or kindle format and epub here or here
A Manual of Moral Theology (Fr. T. Slater) – pdf, text, kindle format: volume I, volume II
Moral Theology (Fr. H. Jone) – pdf
The Enchiridion of Indulgences (1968) – pdf
The Raccolta or Collection of Indulgenced Prayers and Good Works (1910) – pdf; or pdf, text and kindle here
The Roman Martyrology (1916) – pdf, text, kindle format; or read online here
The Liturgical Year (Dom Prosper Gueranger) – read online; or pdf and kindle format here: vol. I, vol. II, vol. III, vol. IV, vol. V, vol. VI, vol. VII, vol. VIII, vol. IX, vol. X, vol. XI, vol. XII, vol. XIII, vol. XIV, vol. XV
The Church’s Year: Explanation of the Epistles and Gospels (Fr. Leonhard Goffine) – pdf; or pdf, text, epub, kindle format here
Goffine’s Devout Instructions on the Epistles and Gospels – pdf, text, kindle format
Introduction to the Study of Holy Scripture (A. E. Breen) – pdf, text, kindle format; or pdf here
Practical Handbook for the Study of the Bible (M. Seisenberger) – pdf, text, kindle format
Haydock’s Bible Commentary (Fr. G. L. Haydock) – read online; or also here; or epub here
Haydock’s Biblical Commentary: Old Testament – pdf
Haydock’s Biblical Commentary: New Testament – pdf
A Practical Commentary on Holy Scripture (Bp. F. J. Knecht) – pdf
Cornelius a Lapide: The Great Commentary [on Scripture]- vol. 1, vol. 2, vol. 3, vol. 4, vol. 5, vol. 6, vol. 7, vol. 8; or read online here or epub here
Catena Aurea (St. Thomas Aquinas) – pdf, kindle format: vol. I pt. 1, pt. 2, pt. 3; vol. II; vol. III pt.1, pt. 2; vol. IV (commentaries on the Gospels)
Meditations on the Gospels (Bp. O. Prohaszka) – pdf
The Sunday Epistles (Dom Sauter) – pdf
The Apocalypse of St. John (Fr. Sylvester Berry) – pdf, text, epub, kindle format
The Apocalypse of St. John (Fr. H. M. Feret) – pdf
Apocalypse (J. L. Ratton) – pdf
Catholic Encyclopedia (1912) – read online
A Catholic Dictionary (W. E. Addis, T. Arnold; 1884) – pdf, text, epub, kindle format
The Bible: Full Texts of the Vulgata Clementina, the Douay-Rheims Bible, the Knox Bible (side by side) – read online
Douay-Rheims Roman Catholic Bible (OT + NT) – read online; or download pdf here, here or here
The Old Testament (Douay Rheims) – audiobook (many parts)
The Original and True Douay-Rheims New Testament (1582) – pdf; or also here; or audiobook here
The Original and True Douay-Rheims Old Testament (1609-10) – pdf; or pdf: volume I, volume II
The Holy Bible (Douay Rheims; Bp. R. Challoner) – pdf, epub, kindle: Old Testament; New Testament
Biblia Sacra Vulgata (Latin Clementine Vulgate Bible) – read online; or pdf here: latin; english
The Knox Bible – read online (trilingual: english Knox translation/greek Septuagint/latin Vulgata)
The New Testament (Ronald Knox translation) – pdf
The Septuagint Bible (OT) – pdf, text, epub, kindle format
The Septuagint Bible (OT; greek/english) – pdf, text, epub, kindle format
My Bible History (Bp. Louis L. M. Morrow) – audiobook: OT; NT (for children)
The Catechism of the Council of Trent (Catechism of St. Pius V) – pdf; or also here and here; or pdf, text, kindle format
here; or audio here (many parts) or here: part 1, part 2; [latin here]
Catechism of St. Pius X – read online; or pdf here; or epub here; or pdf, epub, kindle format here
The Douay Catechism (1649) – pdf; pdf also here; or pdf, kindle format here; or read online here
The Baltimore Catechism (1891) – pdf (#1, 2, 3)
The Baltimore Catechism #1 (for First Communion classes) – read online; or epub here
The Baltimore Catechism #2 (for Confirmation classes) – read online; or epub here; or audio here
The Baltimore Catechism #3 (for post-Confirmation classes) – pdf, epub; or read online here; or audio here
The Baltimore Catechism #4 (An Explanation of the Baltimore Catechism of Christian Doctrine) – epub
Master Catechism – read online (Aquinas, Trent, Baltimore, St. Pius X – by topic)
The Catechism Explained: An Exhaustive Exposition of the Christian Religion (Fr. F. Spirago) – pdf; or here
A Complete Catechism of the Catholic Religion (Fr. Joseph Deharbe) – pdf, text, kindle format
Deharbe’s Large Catechism – pdf; or pdf, text, kindle format here
A Catechism of the Catholic Religion (Fr. J. Deharbe) – pdf, text, epub, kindle format
Abridged Catechism of Christian Doctrine (Fr. J. Deharbe) – pdf, text, epub, kindle format
My Catholic Faith: A Catechism in Pictures (Mons. Louis Laravoire Morrow) – read online; or here
My Catholic Faith: A Manual of Religion (Bp. L. L. Morrow) – epub
Familiar Explanation of Christian Doctrine (Fr. M. Mueller) – pdf, text, epub, kindle format
Catechism of Perseverance: A Historical, Doctrinal, Moral, and Liturgical Exposition of the Catholic Religion (Mons.
Gaume) – pdf, txt, kindle format: volume I, volume II, volume III, volume IV
Catechism of Perseverance: A Compendium (Mons. Gaume) – pdf, txt, epub, kindle format
Catechism Made Easy: A Familiar Explanation of the Catechism of Christian Doctrine (Fr. Henry Gibson) – pdf, text, kindle format: volume I, volume II, volume III
The Penny Catechism – audiobook (4 parts); or also here and here
The Catechetical Reading-Book (Fr. J. Griffin) – pdf, text, epub, kindle format
Biblical Treasury of the Catechism (Fr. T. Cox) – audiobook (various parts)
Catechism of the Christian Religion (Fr. S. Keenan) – pdf, text, epub, kindle format
A Doctrinal Catechism (Fr. Stephen Keenan) – read online; or pdf, text, epub, kindle format here
A Controversial Catechism, or, Protestantism Refuted… (Fr. S. Keenan) – pdf, text, epub, kindle format
Anecdotes and Examples Illustrating the Catholic Catechism (Fr. F. Spirago) – pdf, text, kindle format
An Illustrated Catechism (Fr. A. Heeg) – pdf, text, kindle format (for children)
My First Communion (Bp. Louis L. M. Morrow) – pdf, epub, kindle format (catechism for First Communion)
The Alphabet of the Child Jesus (Catechesis for Children; english/spanish) – pdf; or also here
The Catechism in Examples – audiobook (various parts)
Catechism of an Interior Life (Fr. J. J. Olier) – pdf, text, epub, kindle format
Christian Doctrine (Fr. L. Vaux) – read online
A Short Christian Doctrine (St. Robert Bellarmine) – pdf; or pdf, epub, kindle format here
Catholic Belief: A Short and Simple Exposition of Catholic Doctrine (Fr. J. Faa di Bruno) – pdf, text, kindle
An Introduction to the Catholic Faith; incl. an Examination of Conscience for General Confession (St. Peter Canisius) – pdf, text, kindle format
A Summa of Christian Doctrine (St. Peter Canisius) – pdf, text, kindle format
Abridged Course of Religious Instruction: Apologetic, Dogmatic and Moral (Fr. F. X. Schouppe) – pdf
God the Teacher of Mankind, or, Popular Catholic Theology (Fr. M. Mueller) – pdf, text, epub, kindle format: volume I, vol. II, vol. III, vol. IV, vol. V, vol. VI, vol. VII, vol. VIII, vol. IX
Catechism of the Liturgy, for Young and Old (1919) – pdf
Catechism on Modernism according to the encyclical ‘Pascendi Dominici Gregis’ of His Holiness Pius X (J.B. Lemius) – pdf, text, kindle format
Summa Theologica (St. Thomas Aquinas) – pdf; epub, pdf here; or read online here or here; or in audio format; [parallel latin/english text here]
Catechism of the Summa Theologica of St. Thomas Aquinas – pdf
The Catechetical Instructions of St. Thomas Aquinas – pdf; or also here
A Synthesis of Thomistic Thought (Fr. Reginald Garrigou-Lagrange) – read online
A Tour of the Summa (Mons. Paul J. Glenn) – read online
Sources of Catholic Dogma (Fr. H. J. D. Denzinger) – read online; also here; [latin text here]; or pdf here and here
Fundamentals of Catholic Dogma (Fr. Ludwig Ott) – pdf
Dogmatic Canons and Decrees – pdf, text, kindle format
The Canons and Decrees of the Council of Trent – pdf, text, kindle format; or read online here
The Catholic Church and Salvation: In the Light of Recent Pronouncements by the Holy See (Mons. J. C. Fenton) – pdf
The Administration of the Sacraments (Fr. N. Halligan) – pdf
Supplied Jurisdiction According to Canon 209 (Fr. F. S. Miaskiewicz) – pdf
A Commentary on the New [1917] Code of Cannon Law (Fr. C. Augustine) – pdf
The New Canon Law (1917): A Commentary and Summary (Fr. S. Woywod) – pdf, epub, kindle format
A Manual of Canon Law (Fr. M. Ramstein; 1947) – pdf
The Syllabus, Its Meaning and Purpose (Fr. H. J. Heuser) – pdf
Dogmatic Theology (Mons. Van Noort) – pdf: volume I (The True Religion), volume II (Christ’s Church)
Outlines of Dogmatic Theology (Fr. S. J. Hunter) – pdf: volume I, volume II, volume III
Dogmatic Theology I. God: His Knowability, Essence, Attributes (Mons. J. Pohle) – pdf, text, kindle format
Dogmatic Theology II. The Divine Trinity (Mons. Joseph Pohle) – pdf, text, kindle format
Dogmatic Theology III. God: The Author of Nature and the Supernatural (Mons. J. Pohle) – pdf, text, kindle
Dogmatic Theology IV. Christology (Mons. Joseph Pohle) – pdf, text, kindle format
Dogmatic Theology V. Soteriology: A Dogmatic Treatise on the Redemption (J. Pohle) – pdf, text, kindle format
Dogmatic Theology VI. Mariology: A Dogmatic Treatise on the Blessed Virgin Mary (Mons. Joseph Pohle) – pdf, text
Dogmatic Theology VII. Grace, Actual and Habitual (Mons. J. Pohle) – pdf, text, kindle format
Dogmatic Theology VIII. The Sacraments, Vol. 1: Baptism, Confirmation (J. Pohle) – pdf, text, kindle format
Dogmatic Theology IX. The Sacraments, Vol. 2: The Holy Eucharist (J. Pohle) – pdf, text, kindle format
Dogmatic Theology X. The Sacraments, Vol. 3: Penance (Mons. J. Pohle) – pdf, text, kindle format
Dogmatic Theology XI. The Sacraments, Vol. 4: Extreme Unction, Holy Orders, Matrimony (Mons. J. Pohle) – pdf, text, kindle format
Dogmatic Theology XII. Eschatology: The Catholic Doctrine of the Last Things (J. Pohle) – pdf, text, kindle
Sacrae Theologiae Summa (IA): On Christian Revelation (Fr. M. Nicolau) – pdf
Sacrae Theologiae Summa (IB): On the Church of Christ; On Holy Scripture (Fr. J. Salaverri) – pdf
Sacrae Theologiae Summa (IIA): On the One and Triune God (Fr. J. M. Dalmau) – pdf
Sacrae Theologiae Summa (IIB): On God the Creator and Sanctifier; On Sins (Fr. J. F. Sagues) – pdf
Sacrae Theologiae Summa (IIIA): On the Incarnate Word; On the Blessed Virgin Mary (Frs. Solano, Aldama) – pdf
Sacrae Theologiae Summa (IIIB): On Grace; On the Infused Virtues (Fr. S. Gonzalez Rivas) – pdf
Sacrae Theologiae Summa (IVA): On the Sacraments in General; On Baptism, Confirmation, Eucharist, Penance and Anointing (Frs. Aldama, Gonzalez, Sola, Sagues) – pdf
Sacrae Theologiae Summa (IVB): On Holy Orders and Matrimony; On the Last Things (Frs. Sola, Sagues) – pdf
Handbook of Moral Theology (Fr. D. M. Pruemmer) – pdf, text, epub, kindle; or pdf here
A Handbook of Moral Theology (Anton Koch) – pdf, text, kindle format: volume I, volume II, volume III
Moral Theology: A Complete Course Based on St. Thomas Aquinas and the Best Modern Authorities (J. A. McHugh, C. J. Callan) – text; or kindle format and epub here or here
A Manual of Moral Theology (Fr. T. Slater) – pdf, text, kindle format: volume I, volume II
Moral Theology (Fr. H. Jone) – pdf
The Enchiridion of Indulgences (1968) – pdf
The Raccolta or Collection of Indulgenced Prayers and Good Works (1910) – pdf; or pdf, text and kindle here
The Roman Martyrology (1916) – pdf, text, kindle format; or read online here
The Liturgical Year (Dom Prosper Gueranger) – read online; or pdf and kindle format here: vol. I, vol. II, vol. III, vol. IV, vol. V, vol. VI, vol. VII, vol. VIII, vol. IX, vol. X, vol. XI, vol. XII, vol. XIII, vol. XIV, vol. XV
The Church’s Year: Explanation of the Epistles and Gospels (Fr. Leonhard Goffine) – pdf; or pdf, text, epub, kindle format here
Goffine’s Devout Instructions on the Epistles and Gospels – pdf, text, kindle format
Introduction to the Study of Holy Scripture (A. E. Breen) – pdf, text, kindle format; or pdf here
Practical Handbook for the Study of the Bible (M. Seisenberger) – pdf, text, kindle format
Haydock’s Bible Commentary (Fr. G. L. Haydock) – read online; or also here; or epub here
Haydock’s Biblical Commentary: Old Testament – pdf
Haydock’s Biblical Commentary: New Testament – pdf
A Practical Commentary on Holy Scripture (Bp. F. J. Knecht) – pdf
Cornelius a Lapide: The Great Commentary [on Scripture]- vol. 1, vol. 2, vol. 3, vol. 4, vol. 5, vol. 6, vol. 7, vol. 8; or read online here or epub here
Catena Aurea (St. Thomas Aquinas) – pdf, kindle format: vol. I pt. 1, pt. 2, pt. 3; vol. II; vol. III pt.1, pt. 2; vol. IV (commentaries on the Gospels)
Meditations on the Gospels (Bp. O. Prohaszka) – pdf
The Sunday Epistles (Dom Sauter) – pdf
The Apocalypse of St. John (Fr. Sylvester Berry) – pdf, text, epub, kindle format
The Apocalypse of St. John (Fr. H. M. Feret) – pdf
Apocalypse (J. L. Ratton) – pdf
Catholic Encyclopedia (1912) – read online
A Catholic Dictionary (W. E. Addis, T. Arnold; 1884) – pdf, text, epub, kindle format