| Author | Dates for Author | Title | Date of pub. | Type of Work | Search in Google | S | AC | KL | W | G | U | P |
| Sciacca, Michele Federico | Act and Being | Search | K | |||||||||
| Leo XIII, Pope | Aeterni Patris | Search | K | |||||||||
| Basil, Saint | Against Eunomius | Search | K | |||||||||
| Irenaeus, Saint | Against Heresies | Search | C | K | ||||||||
| Ong, Walter J., S.J. | American Catholic Crossroads | Search | K | |||||||||
| O'dea, Thomas | American Catholic Dilemma | Search | K | |||||||||
| Brownson, Orestes Augustus | American Republic, The | Search | K | |||||||||
| Balthasar, Hans Urs Von | Anxiety and the Christian | Search | K | |||||||||
| Newman, John Henry Cardinal | 1801-1890 | Apologia pro vita sua | Search | 3 | C | K | ||||||
| Aristides | Apology of Aristides, The | Search | C | K | ||||||||
| Tertullian | Apology of Tertullian, The | Search | C | K | ||||||||
| John of St. Thomas | Ars logica, | Search | K | |||||||||
| Maritain, Jacques | 1882- | Art and Scholasticism | Search | K | ||||||||
| John of the Cross, Saint | Ascent of Mount Carmel | Search | K | |||||||||
| Merton, Thomas | 1915-1966 | Ascent to Truth | Search | K | ||||||||
| Matthew Paris | Ascetic Life, The | Search | K | |||||||||
| Pius XI, Pope | Atheistic Communism | Search | K | |||||||||
| Gerard, John | Autobiography of a Hunted Priest, The | Search | K | |||||||||
| Jorgensen, Johannes | Autobiography of Johannes Jorgensen, The | Search | K | |||||||||
| Alacoque, Margaret Mary, Saint | Autobiography of Saint Margaret Mary Alacoque, The | Search | K | |||||||||
| Peguy, Charles | 1873-1913 | Basic Verities | Search | K | ||||||||
| Pieper, Josef | Belief and Faith | Search | K | |||||||||
| Richard of St. Victor | Benjamin major | Search | C | K | ||||||||
| Richard of St. Victor | Benjamin minor | Search | C | K | ||||||||
| Otloh of St. Emmeram | Book of Proverbs | Search | K | |||||||||
| Peter Lombard | Book of Sentences, The | Search | K | |||||||||
| Prosper of Aquitaine, Saint | Call of All Nations, The | Search | K | |||||||||
| Crashaw, Richard | c.1612-1648 | Carmen Deo Nostro | Search | K | ||||||||
| Pius XI, Pope | Casti connubii | Search | K | |||||||||
| Cyril of Jerusalem, Saint | Catechetical Lectures, The | Search | C | K | ||||||||
| Lubac, Henri De, S.J. | Catholicism | Search | K | |||||||||
| Mounier, Emmanuel | Character of Man, The | Search | K | |||||||||
| Adam, Karl | Christ of Faith, The | Search | K | |||||||||
| Pius XI, Pope | Christian Education of Youth, The | Search | K | |||||||||
| Bouyer, Louis | Christian Humanism | Search | K | |||||||||
| Matthew Paris | Chronica Majora | Search | K | |||||||||
| Sturzo, Luigi | Church and State | Search | K | |||||||||
| Journet, Charles | Church of the Word Incarnate, The | Search | K | |||||||||
| Montini Giovanni Battista Cardinal (Pope Paul VI) | Church, The | Search | K | |||||||||
| Augustine, Saint | 354-430 | City of God, The | c.413-426 | Theology | Search | C | K | 16 | 571 | |||
| Unknown | Cloud of Unknowing, The | Search | C | K | ||||||||
| Diekmann, Godfrey L., O.S.B. | Come, Let Us Worship | Search | K | |||||||||
| Albert the Great, Saint | Commentary on Aristotle's De Anima | Search | K | |||||||||
| Rufinus of Aquileia | Commentary on the Apostles' Creed, A | Search | K | |||||||||
| Cajetan, Saint | Commentary on the Summa theologigiae of Saint Thomas | Search | K | |||||||||
| Vincent of Lerins, Saint | Commonitory, A | Search | C | K | ||||||||
| Sheen, Fulton J. | Communism and the Conscience of the West | Search | K | |||||||||
| Alcuin | Concerning Rhetoric and Virtue | Search | K | |||||||||
| Augustine, Saint | 354-430 | Confessions of Saint Augustine, The | c.397 | Theology, metaphysics (religious autobiography) | Search | 3 | C | K | 16 | 560 | ||
| Boethius, Ancius Manlius Severinus | c.480-524 | Consolation of Philosophy, The | 523 | Ethics, metaphysics | Search | 3 | K | 582 | ||||
| Pomerius, Julianus | Contemplative Life, The | Search | K | |||||||||
| Dondeyne, Albert | Contemporary European Thought and Christian Faith, | Search | K | |||||||||
| Origen | c.185-c.254 | Contra Celsum | Search | C | K | |||||||
| Kung, Hans | Council, Reform and Reunion, The | Search | K | |||||||||
| Anselm of Canterbury, Saint | 1033-1109 | Cur Deus Homo | Search | C | K | |||||||
| John of St. Thomas | Cursus Theologicus, | Search | K | |||||||||
| John of the Cross Saint | Dark Night of the Soul, The | Search | C | K | ||||||||
| Innocent, Pope | De contemptu mundi | Search | K | |||||||||
| Augustine, Saint | 354-430 | De Magistro | Search | K | ||||||||
| Dante Alighieri | 1265-1321 | De Monarchia | Search | K | ||||||||
| John of Paris | De potestate regia et papali | Search | K | |||||||||
| Innocent, Pope | De sacro altaris mystetio | Search | K | |||||||||
| Augustine, Saint | 354-430 | De Trinitate (On the Trinity) | Search | C | K | |||||||
| Aquinas, Saint Thomas | c.1225-1274 | De Veritate | Search | K | ||||||||
| Jerome, Saint | De viris Illustribus | Search | K | |||||||||
| Sciacca, Michele Federico | Death and Immortality | Search | K | |||||||||
| Gratian, Johannes | Decretum Gratiani | Search | K | |||||||||
| Maritain, Jacques | 1882- | Degrees of Knowledge | 1932 | Metaphysics of knowledge | Search | K | 2024 | |||||
| Irenaeus, Saint | Demonstration of Apostolic Teaching, The | Search | K | |||||||||
| Catherine of Genoa, Saint | Dialogue Between the Soul and the Body, The | Search | K | |||||||||
| Galilei, Galileo | 1564-1642 | Dialogue Concerning the Two Chief World Systems | 1632 | Search | K | 26 | ||||||
| Catherine of Siena, Saint | Dialogue of Saint Catherine of Siena, The | Search | C | K | ||||||||
| Gregory the Great, Saint | Dialogues | Search | K | |||||||||
| Sulpicius Severus | Dialogues of Sulpicius Severus, The | Search | K | |||||||||
| Unknown | Didache or The Teaching of the Twelve Apostles, The | Search | C | K | ||||||||
| Tatian | Discourse Against the Greeks, The | Search | K | |||||||||
| John Chrysostom, Saint | Discourse on the Priesthood, | Search | K | |||||||||
| Bossuet, Jacques Benigne | Discourse on Universal History | Search | K | |||||||||
| Athanasius, Saint | Discourses Against the Arians | Search | K | |||||||||
| Lubac, Henri De, S.J. | Discovery of God, The | Search | K | |||||||||
| Dante Alighieri | 1265-1321 | Divine Comedy, The | c.1307 | Poem | Search | 1 | C | K | 19 | |||
| Lactantius, Lucius Caecilius Firmianus | Divine Institutes, The | Search | C | K | ||||||||
| Teilhard De Chardin, Pierre | Divine Milieu, The | Search | C | K | ||||||||
| Pius XII, Pope | Divino afflante Spiritu | Search | K | |||||||||
| Eusebius Pamphili of Caesarea | Ecclesiastical History | Search | C | K | ||||||||
| Bede, Saint | Ecclesiastical History of the English People | Search | C | K | ||||||||
| Waugh, Evelyn | 1903- | Edmund Campion | 1935 | Novelized biography | Search | 1 | K | |||||
| Huysmans, Joris Karl (Charles Marie Georges Huysmans) | 1848-1907 | En Route | Search | K | ||||||||
| Augustine, Saint | 354-430 | Enarations on the Psalms | Search | K | ||||||||
| Erasmus, Desiderius | 1466-1536 | Enchiridion militis Christiani | Search | C | K | |||||||
| Denzinger, Heinrich Joseph Dominicus | Enchiridion symbolorum et Definitionum | Search | K | |||||||||
| Pieper, Josef | End of Time, The | Search | K | |||||||||
| Knox, Ronald | Enthusiasm | Search | K | |||||||||
| Unknown | Epistle to Diognetus, The | Search | C | K | ||||||||
| Ambrose, Saint | Epistle XXI: To the Most Clement Emperor and Most Blessed Augustus | Search | K | |||||||||
| Ignatius of Antioch, Saint | Epistles of Saint Ignatius of Antioch, The | Search | K | |||||||||
| Polycarp, Saint | Epistles of Saint Polycarp, The | Search | K | |||||||||
| Donoso Cortes, Juan Francisco Maria De La Saludad | Essay on Catholicism, Liberalism, and Socialism | Search | K | |||||||||
| Guitton, Jean | Essay on Human Love | Search | K | |||||||||
| Lamennais, Felicite Robert de | Essay on Indifference in Matters of Religion | Search | K | |||||||||
| Newman, John Henry Cardinal | 1801-1890 | Essay on the Development of Christian Doctrine, An, | Search | K | ||||||||
| Isidore of Seville, Saint | Etymologies, The | Search | K | |||||||||
| Chesterton, Gilbert Keith | 1874-1936 | Everlasting Man, The | Search | K | ||||||||
| Francis of Assisi, Saint | Extant Writings of Saint Francis of Assisi, The | Search | K | |||||||||
| Augustine, Saint | 354-430 | Faith, Hope, and Chaarity | Search | K | ||||||||
| Justin Martyr, Saint | First Apology and The Second Apology, The | Search | K | |||||||||
| Augustine, Saint | 354-430 | First Catechetical Instruction, The | Search | K | ||||||||
| Gregory of Nazianzus, Saint | Five Theological Orations | Search | C | K | ||||||||
| Alphonsus Mary De' Liguori, Saint | Glories of Mary, The | Search | K | |||||||||
| Sheen, Fulton J. | God and Intelligence in Modem Philosophy | Search | K | |||||||||
| Collins, James D. | God in Modern Philosophy | Search | K | |||||||||
| Jungmann, Josef Andreas, S.J. | Good News--Yesterday and Today, The | Search | K | |||||||||
| Newman, John Henry Cardinal | 1801-1890 | Grammar of Assent, A | 1870 | Metaphysics, epistemology | Search | K | 1395 | |||||
| Gregory of Nyssa, Saint | Great Catechism, The | Search | C | K | ||||||||
| Suhard Emmanuel, Cardinal | Growth or Dedine?: The Church Today | Search | K | |||||||||
| Vann, Gerald, O.P. | Heart of Man, The | Search | K | |||||||||
| Dryden, John | 1631-1700 | Hind and the Panther, The | Search | K | ||||||||
| Abelard, Peter | 1079-1142 | Historia calamitatum | 12th cent. | Search | 3 | K | ||||||
| Lingard, John | History of England, The | Search | K | |||||||||
| Acton, John Emerich Edward Dahlberg | History of Freedom and other Essays, The | Search | K | |||||||||
| Shea, John Dawson Gilmary | History of the Catholic Church in the United States, A | Search | K | |||||||||
| Hefele, Karl, Joseph Von | History of the Councils | Search | K | |||||||||
| Gregory of Tours Saint | History of the Franks | Search | K | |||||||||
| Pastor, Ludwig Von | History of the Popes from the Close of the Middle Ages, The | Search | K | |||||||||
| De Koninck, Charles | Hollow Universe, The | Search | K | |||||||||
| Aelfric | Homilies | Search | K | |||||||||
| John Chrysostom, Saint | Homilies of Saint John Chrysostom, The | Search | K | |||||||||
| Marcel, Gabriel | 1887- | Homo Viator | Search | K | ||||||||
| Thompson, Francis | 1859-1906 | Hound of Heaven and Other Poems, The | Search | K | ||||||||
| Du Nouy, Pierre Lecomte | Human Destiny | Search | K | |||||||||
| Guardini, Romano | Humanity of Christ, The | Search | K | |||||||||
| Ambrose, Saint | Hymns of Saint Ambrose, The | Search | K | |||||||||
| Aquinas, Saint Thomas | c.1225-1274 | Hymns of Saint Thomas Aquinas, The | Search | K | ||||||||
| Newman, John Henry Cardinal | 1801-1890 | Idea of a University, The | Search | K | ||||||||
| Leo XIII, Pope | Immonale Dei | Search | K | |||||||||
| Atanasius, Saint | Incarnation of the Word of God, The | Search | C | K | ||||||||
| Thomas a Kempis, Saint | Initiation of Christ, The | Search | 3 | C | K | |||||||
| Lonierghan, Bernard J F., S.J. | Insight | Search | K | |||||||||
| Cassian, John | Institutes of the Monastic Life, The | Search | K | |||||||||
| Sertillanges, Antonin Gilbert | Intellectual Life, The | Search | K | |||||||||
| Francis De Sales, Saint | Introduction to the Devout Life, An | Search | K | |||||||||
| Tasso, Torquato | 1544-1596 | Jerusalem Delivered | Search | K | ||||||||
| Daniel-Rops, Henri | Jesus and His Times | Search | K | |||||||||
| Filas, Francis L., S.J. | Joseph: The Man Closest to Jesus | Search | K | |||||||||
| Bonaventure, Saint | 1221-1274 | Journey of the Mind to God | 1259 | Theology, epistemology | Search | C | K | 681 | ||||
| Vonier, Dom Anscar, O.S.B. | Key to the Doctrine of the Eucharist, A | Search | K | |||||||||
| Blondel, Maurice | L'action | Search | K | |||||||||
| John Climacus, Saint | Ladder of Divine Ascent, The | Search | C | K | ||||||||
| Hilton, Walter | Ladder of Perfection, The | Search | K | |||||||||
| Schlegel, Friedrich Von | Lectures on the Philosophy of Life | Search | K | |||||||||
| Pieper, Josef | Leisure, The Basis of Culture | Search | K | |||||||||
| Maistre, Joseph Marie De | Les soirees de Saint-Petersbourg, | Search | K | |||||||||
| Clement , Saint | Letter of the Church of Rome to the Church of Corinth, The | Search | K | |||||||||
| Galilei, Galileo | 1564-1642 | Letter To the Grand Duchess Christina | Search | K | ||||||||
| Leo the Great, Saint | Letters and Sermons of Saint Leo the Great | Search | K | |||||||||
| Basil, Saint | Letters of Saint Basil, The | Search | K | |||||||||
| Bernard, Saint | Letters of Saint Bernard of Clairvaux, The | Search | K | |||||||||
| Jerome, Saint | Letters of Saint Jerome, The | Search | C | K | ||||||||
| Lanfranc | Liber De Corpore et Sanguine Domini | Search | K | |||||||||
| Asser, John | Life of Alfred | Search | K | |||||||||
| Einhard | Life of Charlemagne, The | Search | K | |||||||||
| Veuillot, Louis | Life of Our Lord Jesus Christ, The | Search | K | |||||||||
| Joinville, Jean De | Life of Saint Louis, The | Search | K | |||||||||
| Suso, Blessed Henry, O.P. | Little Book of Eternal Wisdom | Search | K | |||||||||
| Unknown | Little Flowers of Saint Francis, The | Search | C | K | ||||||||
| Bouyer, Louis | Liturgical Piety | Search | K | |||||||||
| Von Hildebrand, Dietrich | Liturgy and Personality | Search | K | |||||||||
| Danielou, Jean, S.J. | Lord of History, The | Search | K | |||||||||
| Guardini, Romano | Lord, The | Search | K | |||||||||
| Gregory of Nyssa, Saint | Lord's Prayer, The | Search | K | |||||||||
| Francis De Sales, Saint | Love of God, The | Search | K | |||||||||
| Roper, William | Lyfe of Sir Thomas More, Knighte, The | Search | K | |||||||||
| Dawson, Christopher | Making of Europe, The | Search | K | |||||||||
| Maritain, Jacques | 1882- | Man and the State | Search | K | ||||||||
| Lafarge, John, S.J. | Manner is Ordinary, The | Search | K | |||||||||
| Marcion | Martyrdom of Saint Polycarp, The | Search | K | |||||||||
| Jungmann, Josef Andreas, S.J. | Mass of the Roman Rite, The | Search | K | |||||||||
| John XXIII, Pope | Mater et magistra | Search | K | |||||||||
| Matthew Paris | Maximus the Confessor, Saint | Search | K | |||||||||
| Mouroux, Jean | Meaning of Man, The | Search | K | |||||||||
| Pius XII, Pope | Mediator Dei | Search | K | |||||||||
| Bonaventure, Saint | 1221-1274 | Meditations on the Life of Christ | Search | K | ||||||||
| Unknown Franciscan Monk | Meditations on the Life of Christ (See also Bonaventure, Saint) | Search | K | |||||||||
| D'Arcy, Martin Cyril, S.J. | Meeting of Love and Knowledge, The | Search | K | |||||||||
| Halecki, Oscar | Millenium of Europe, The | Search | K | |||||||||
| D'Arcy, Martin Cyril, S.J. | Mind and Heart of Love, The | Search | K | |||||||||
| Pius XI, Pope | Mit brennender Sorge | Search | K | |||||||||
| Knowles, Dom David, O.S.B. | Monastic Order in England, The | Search | K | |||||||||
| Maritain, Jacques | 1882- | Moral Philosophy | Search | K | ||||||||
| Scheeben, Matthias Josheph | Mysteries of Christianity | Search | K | |||||||||
| Marcel, Gabriel | 1887- | Mystery of Being, The | 1950 | Existential ontology | Search | K | 2370 | |||||
| Pius XII, Pope | Mystical Body of Christ, The | Search | K | |||||||||
| Hugel, Friedrich John Von, Baron | Mystical Element of Religion, The | Search | K | |||||||||
| Dionysius the Pseudo-Areopagite | Mystical Theology, The | Search | K | |||||||||
| Hayes, Carlton J. H. | Nationalism: A Religion, | Search | K | |||||||||
| Vico, Giovanni Battista | 1668-1744 | New Science, The | 1725, 1744 | Philosophy of history | Search | K | 1014 | |||||
| Hugh of St. Victor | Noah's Ark | Search | K | |||||||||
| Minucius Felix | Octavius | Search | C | K | ||||||||
| Nicholas of Cusa | c.1401-1464 | Of Learned Ignorance | 1440 | Metaphysica, theology | Search | C | K | 743 | ||||
| Aquinas, Saint Thomas | c.1225-1274 | On Being and Essence | Search | K | ||||||||
| Vives, Juan Luis | On Education | Search | K | |||||||||
| Origen | c.185-c.254 | On First Principles (De Principiis) | c.220 | Theology and metaphysics | Search | C | K | 535 | ||||
| Aquinas, Saint Thomas | c.1225-1274 | On Free Choices | Search | K | ||||||||
| Petrarch | On His Own Ignorance | Search | K | |||||||||
| Aquinas, Saint Thomas | c.1225-1274 | On Kingship | Search | K | ||||||||
| Aquinas, Saint Thomas | c.1225-1274 | On Spiritual Creatures | Search | K | ||||||||
| Ambrose, Saint | On the Christian Faith | Search | K | |||||||||
| Dionysius the Pseudo-Areopagite | On the Divine Names | Search | C | K | ||||||||
| Ambrose, Saint | On the Duties of The Clergy | Search | C | K | ||||||||
| Vergerio, Pier Paolo | On the Education of a Gentleman | Search | K | |||||||||
| Mivart, St. George Jackson | On the Genesis of the Species | Search | K | |||||||||
| Boethius, Anicius Manlius Severinus | c.480-524 | On the Holy Trinity | Search | C | K | |||||||
| Bernard, Saint | On the Necessity of Loving God | Search | K | |||||||||
| Aquinas, Saint Thomas | c.1225-1274 | On the Power of God, | Search | K | ||||||||
| Athenagoras | On the Resurrection of the Dead | Search | K | |||||||||
| Aquinas, Saint Thomas | c.1225-1274 | On the Soul | Search | K | ||||||||
| Bernard, Saint | On the Steps of Humility and Pride | Search | K | |||||||||
| Rahner, Karl, S.J. | On the Theology of Death | Search | K | |||||||||
| Cyprian of Carthage, Saint | On the Unity of the Catholic Church | Search | C | K | ||||||||
| Aquinas, Saint Thomas | c.1225-1274 | On the Virtues in General, | Search | K | ||||||||
| Bacon, Roger | Opus Majus | Search | K | |||||||||
| Duns Scotus, Johannes | c.1265-1308 | Opus Oxoniense | Search | K | ||||||||
| Gregory Thaumaturgus, Saint | Oration and Panegyric Addressed to Origen, The | Search | K | |||||||||
| Pico Della Mirandola, Giovanni | 1463-1494 | Oration on the Dignity of Man | 1496 | Philosophical essay | Search | 4 | K | |||||
| Brodrick, James, S.J. | Origin of the Jesuits, The | Search | K | |||||||||
| Chesterton, Gilbert Keith | 1874-1936 | Orthodoxy | Search | K | ||||||||
| John XXIII, Pope | Pacem in terris | Search | K | |||||||||
| Erasmus, Desiderius | 1466-1536 | Paraclesis, The | Search | K | ||||||||
| Milton, John | 1608-1674 | Paradise Lost | 1667 | Novel | Search | 1 | C | K | 29 | |||
| Gasquet, Francis Neil Aidan Cardinal | Parish Life in Mediaeval England | Search | K | |||||||||
| Gregory the Great, Saint | Pastoral Care | Search | K | |||||||||
| Belloc, Hilaire | Path To Rome, The | Search | K | |||||||||
| Sheen, Fulton J. | Peace of Soul | Search | K | |||||||||
| Gilson, Etienne Henry | 1884- | Philosopher and Theology, The | Search | K | ||||||||
| Simon, Yves Rene Marie | Philosophy of Democratic Government | Search | K | |||||||||
| Athenagoras | Plea For the Christians: A | Search | K | |||||||||
| Meynell, Alice | Poems of Alice Meynell, The | Search | K | |||||||||
| Dowson, Ernest Christopher | Poems of Ernest Dowson, The | Search | K | |||||||||
| Hopkins, Gerard Manley | Poems of Gerard Manley Hopkins, The | Search | K | |||||||||
| John of Salisbury | Policraticus and Metalogicon, | Search | C | K | ||||||||
| Bellarmine, Robert Cardinal, Saint | Political Writings | Search | K | |||||||||
| Erasmus, Desiderius | 1466-1536 | Praise of Folly, The | Search | 3 | C | K | 23 | |||||
| Machiavelli, Niccolo | 1469-1527 | Prince, The | 1532 | Political philosophy | Search | 3 | K | 21 | 764 | |||
| Dawson, Christopher | Progress and Religion | Search | K | |||||||||
| Anselm of Canterbury, Saint | 1033-1109 | Proslogion | 1078 | Theology | Search | C | K | 632 | ||||
| Pius XI, Pope | Quadragesimo anno | Search | K | |||||||||
| Hippolytus, Saint | Refutation of All Heresies, | Search | K | |||||||||
| Leo XIII, Pope | Rerum Novarum | Search | K | |||||||||
| Julian (Juliana) of Norwich, Lady | Revelations of Divine Love, The | Search | C | K | ||||||||
| Benedict of Nursia, Saint | Rule of Saint Benedict, The | Search | C | K | ||||||||
| Jorgensen, Johannes | Saint Francis of Assisi | Search | K | |||||||||
| Brodrick, James, S.J. | Saint Francis Xavier | Search | K | |||||||||
| Balthasar, Hans Urs Von | Science, Religion and Christianity | Search | K | |||||||||
| Bouyer, Louis | Seat of Wisdom, The | Search | K | |||||||||
| Merton, Thomas | 1915-1967 | Seeds of Contemplation | Search | K | ||||||||
| Ambrose, Saint | Sermo Contra Auxentium | Search | K | |||||||||
| Belloc, Hilaire | Servile State, The | Search | K | |||||||||
| Orosius, Paulus | Seven Books of History Against the Pagans, The | Search | C | K | ||||||||
| Merton, Thomas | 1915-1968 | Seven Storey Mountain, The | 1948 | Spiritual autobiography | Search | K | U | |||||
| Hermas | Shepherd, The | Search | C | K | ||||||||
| Abelard, Peter | 1079-1142 | Sic Et Non | 12th cent. | Search | K | |||||||
| Bodin, Jean | Six Books of the Republic, The | Search | K | |||||||||
| Ignatius Loyola, Saint | Spintual Exercises | Search | K | |||||||||
| Aelfred, Saint | Spintual Friendship | Search | K | |||||||||
| Adam, Karl | Spirit of Catholicism, The | Search | K | |||||||||
| Gilson, Etienne Henry | 1884- | Spirit of Medieval Philosophy, The | 1931-32 | ontology, theology | Search | K | 1991 | |||||
| Camus, Jean Pierre | Spirit of Saint Francis of Sales, The | Search | K | |||||||||
| Ruysbroeck, Blessed Jan Van | Spiritual Espousals, The | Search | K | |||||||||
| Chesterton, Gilbert Keith | 1874-1936 | St. Frands of Assisi | Search | K | ||||||||
| Rommen, Heinrich A. | State in Catholic Thought, The | Search | K | |||||||||
| Therese of Lisieux, Saint | Story of a Soul, The | Search | K | |||||||||
| Clement of Alexandria, Saint | Stromata, or Miscellanies, The | Search | C | K | ||||||||
| Aquinas, Saint Thomas | c.1225-1274 | Summa Contra Gentiles | c.1258-1260 | Theology, metaphysics | Search | C | K | 693 | ||||
| Albert the Great, Saint | Summa De Creaturis | Search | K | |||||||||
| Aquinas, Saint Thomas | c.1225-1274 | Summa Theologica | c.1265-1274 | Metaphysics, theology | Search | 3 | C | K | 17 | 704 | ||
| Aquinas, Saint Thomas | c.1225-1274 | Summa Theologica | c.1265-1274 | Metaphysics, theology | Search | 3 | C | K | 18 | 704 | ||
| Alexander of Hales | Summa Universae Theologiae | Search | K | |||||||||
| Mohler, Johann Adam | Symbolism | Search | K | |||||||||
| Sheed, Francis Joseph | Theology and Sanity | Search | K | |||||||||
| Theophilus of Antioch | Theophilus to Autolyeus | Search | C | K | ||||||||
| Bonaventure, Saint | 1221-1274 | Three Ways, The | Search | K | ||||||||
| Leo the Great, Saint | Tome | Search | K | |||||||||
| Duns Scotus, Johannes | c.1265-1308 | Tract Concerning the First Principle, A (De Primo Principio) | c.1300 | Theology | Search | K | 718 | |||||
| Simon, Yves Rene Marie | Traite du Libre Arbitre | Search | K | |||||||||
| Von Hildebrand, Dietrich | Transformation in Christ | Search | K | |||||||||
| Hugh of St. Victor | Treatise Concerning the Pursuit of Learning, | Search | K | |||||||||
| Suarez, Francisco, S.J. | Treatise on Laws | Search | K | |||||||||
| Basil, Saint | Treatise on the Holy Spirit | Search | K | |||||||||
| Henry of Bracton | Treatise on the Laws and Customs of England | Search | K | |||||||||
| Hilary of Poitiers, Saint | Treatise on the Mysteries | Search | K | |||||||||
| More, Thomas, Saint | 1478-1525 | Treatise on the Passion | Search | K | ||||||||
| Dionysius of Alexandria, Saint | Treatise on the Promises | Search | K | |||||||||
| Eckhart, Johann | Treatises and Sermons of Meister Eckhart, The | Search | K | |||||||||
| Tertullian | Treatises on Marriage | Search | K | |||||||||
| Otto of Freising | Two Cities, The | Search | K | |||||||||
| Turgot, Anne Robert Jacques | Two Discourses on Universal History | Search | K | |||||||||
| Mckenzie, John L., S.J. | Two-Edged Sword, The | Search | K | |||||||||
| Gilson, Etienne Henry | 1884- | Unity of Philosophical Experience, The | Search | K | ||||||||
| More, Thomas, Saint | 1478-1525 | Utopia | 1516 | Political philosophy | Search | 3 | K | 753 | ||||
| Murray, John Courtney, S.J. | We Hold These Truths | Search | K | |||||||||
| Bloy, Leon | Woman Who Was Poor, The | Search | K | |||||||||
| Picard, Max | World of Silence, The | Search | K | |||||||||
| Patrick, Saint | Writings of Saint Patrick, The | Search | K | |||||||||
| Graham, Dom Aelred, O.S B. | Zen Catholicism | Search | K | |||||||||
| Paul VI, Pope (See Montini) | Search | K |