Classics by Author
- Alphonsus de Liguori, Saint (1696-1787)
- Uniformità alla Volontà di Dio [Italian]
- Andrewes, Lancelot (1555-1626)
- Devotions of Bishop Andrewes. Vol. I
- Anonymous
- Daily Light on the Daily Path
- Theologia Germanica
- Anonymous (14th c. English)
- Cloud of Unknowing
- Anselm, Saint, Archbishop of Canterbury (1033-1109)
- Proslogium; Monologium; An Appendix in Behalf of the Fool by Gaunilon; and Cur Deus Homo
- St. Anselm's Book of Meditations and Prayers.
- Augustine, Saint (354-430)
- City of God
- Confessions and Enchiridion, newly translated and edited by Albert C. Outler
- Confessions of Saint Augustine
- On Christian Doctrine, in Four Books
- Baker, Augustine (1517-1641)
- Holy Wisdom: or, Directions for the Prayer of Contemplation
- Baxter, Richard (1615-1691)
- Reformed Pastor
- Bayly, Lewis (1565-1631)
- Practice of Piety: Directing a Christian How to Walk, that He May Please God.
- Bede, St. ("The Venerable," c. 673-735)
- Bede's Ecclesiastical History of England
- Benedict, Saint, of Nursia (480-547)
- Holy Rule of St. Benedict
- Bernard, of Clairvaux, Saint (1090-1153)
- On Loving God
- Boethius, Anicius Manlius Torquatus Severinus (480-524)
- Consolation of Philosophy
- Bonar, Horatius (1808-1889)
- Rent Veil
- Boston, Thomas (1677-1732)
- Crook in the Lot
- Bounds, Edward M. (1835-1913)
- Necessity of Prayer
- Power Through Prayer
- Browne, Sir Thomas (1605-1682)
- Religio Medici
- Bunyan, John (1628-1688)
- Pilgrim's Progress
- Calvin, John (1509-1564)
- Calvin: Commentaries
- Institutes of the Christian Religion
- Of Prayer—A Perpetual Exercise of Faith. The Daily Benefits Derived from It.
- Chesterton, Gilbert Keith (1874-1936)
- Heretics
- Orthodoxy
- de Caussade, Jean-Pierre, S.J. (1675-1751)
- Abandonment to Divine Providence
- Dionysius, the Pseudo-Areopagite (c.650—c. 725)
- Dionysius the Areopagite, Works (1897)
- Donne, John (1572-1631)
- John Donne's Devotions
- Eckhart, Johannes (c. 1260-1327)
- Meister Eckhart's Sermons
- Edersheim, Alfred (1825-1889)
- Life and Times of Jesus the Messiah
- Sketches of Jewish Social Life
- Temple--Its Ministry and Services
- Edwards, Jonathan (1703-1758)
- David Brainerd
- Freedom of the Will
- Religious Affections
- Select Sermons
- Unpublished Essay on the Trinity
- Emmerich, Anne Catherine (1774-1824)
- Dolorous Passion of Our Lord Jesus Christ.
- Erasmus, Desiderius (c. 1466-1536)
- In Praise of Folly
- Eucherius of Lyons, St. (d. c. 449)
- De Contemptu Mundi
- Formulae of St. Eucherius of Lyons
- Fénelon, François de Salignac de la Mothe (1651-1715)
- Maxims of the Saints
- Flavel, John (1627-1691)
- Method of Grace in the Gospel Redemption
- Fox, George (1624-1691)
- Autobiography of George Fox
- Foxe, John (1516-1587)
- Foxe's Book of Martyrs
- Francis of Sales, St. (1567-1622)
- Introduction to the Devout Life
- Treatise on the Love of God
- Gardner, Edmund Garratt (1869-1935)
- Cell of Self-Knowledge: Seven Early English Mystical Treatises
- Gregory I, St. (c. 540-604)
- Life of Our Most Holy Father St. Benedict
- Gurnall, William (1617-1679)
- Christian in Complete Armour
- Guthrie, William (1620-1665)
- Christian's Great Interest. In Two Parts.
- Guyon, Madame Jeanne Marie Bouvier de la Mothe (1647-1717)
- Autobiography of Madame Guyon
- Short and Easy Method of Prayer
- Henry, Matthew (1662-1714)
- Commentary on the Whole Bible Volume I (Genesis to Deuteronomy)
- Commentary on the Whole Bible Volume II (Joshua to Esther)
- Commentary on the Whole Bible Volume III (Job to Song of Solomon)
- Commentary on the Whole Bible Volume IV (Isaiah to Malachi)
- Commentary on the Whole Bible Volume V (Matthew to John)
- Commentary on the Whole Bible Volume VI (Acts to Revelation)
- Herbert, George (1593-1633)
- Priest to the Temple, or, The Country Parson his Character and Rule of Holy Life
- Priest to the Temple, or, The Country Parson his Character and Rule of Holy Life
- Temple
- Hilton, Walter (d. 1396)
- Song of Angels
- Treatise Written to a Devout Man
- Ignatius of Loyola, St (1491-1556)
- Spiritual Exercises of St. Ignatius of Loyola
- Inge, William Ralph (1860-1954)
- Light, Life, and Love
- John of the Cross, St. (1542-1591)
- Ascent of Mount Carmel
- Dark Night of the Soul
- Spiritual Canticle of the Soul and the Bridegroom Christ
- Julian of Norwich (c. 1342-c. 1413)
- Revelations of Divine Love
- Keble, John (1792-1866)
- Christian Year
- Kierkegaard, Soren (1813-1855)
- Selections from the Writings of Kierkegaard
- Law, William (1686-1761)
- Of Justification by Faith and Works
- Serious Call to a Devout and Holy Life
- Spirit of Prayer
- Lawrence, Brother (Nicholas Herman, c. 1605-1691)
- Practice of the Presence of God: The Best Rule of Holy Life
- Luther, Martin (1483-1546)
- Commentary on St. Paul's Epistle to the Galatians
- De Servo Arbitrio “On the Enslaved Will” or The Bondage of Will
- Luther's Little Instruction Book: The Small Catechism of Martin Luther
- Table Talk
- MacDonald, George (1824-1905)
- Unspoken Sermons
- Unspoken Sermons Second Series
- Unspoken Sermons Series One
- Unspoken Sermons Third Series
- Meyer, Frederick Brotherton (1847-1929)
- Our Daily Homily
- Secret of Guidance
- Milton, John (1608-1674)
- Paradise Regained
- Molinos, Miguel de (1628-1696)
- Spiritual Guide which Disentangles the Soul
- Murray, Andrew (1828-1917)
- Absolute Surrender
- Deeper Christian Life
- Lord's Table
- New Life: Words of God for Young Disciples
- School of Obedience
- With Christ in the School of Prayer
- Nee, Watchman (1903-1972 )
- Normal Christian Life
- Newman, John Henry (1801-1890)
- Newman's Apologia Pro Vita Sua
- Origen (c. 185-c. 254)
- Origen on Prayer
- Owen, John (1616-1683)
- Brief Instruction in the Worship of God
- Death of Death in the Death of Christ
- Discourse concerning Evangelical Love, Church Peace, and Unity
- Discourse Concerning Liturgies, and their Imposition
- Display of Arminianism
- Dissertation on Divine Justice
- Doctrine of the Saints' Perseverance Explained and Confirmed
- Duty of Pastors and People Distinguished
- Eshcol; A Cluster of the Fruit of Canaan
- Grace and Duty of being Spiritually Minded
- Inquiry into the Original, Nature, Institution, Power, Order, and Communion of Evangelical Churches
- Meditations and Discourses on the Glory of Christ
- Nature and Causes of Apostasy from the Gospel
- Nature, Power, Deceit, and Prevelancy of the Remainders of Indwelling Sin in Believers
- Of Communion with God the Father, Son and Holy Ghost
- Of Schism
- Of Temptation
- Of the Mortification of Sin in Believers
- Pneumatologia
- Poema
- Practical Exposition upon Psalm CXXX
- Review of the Annotations of Hugo Grotius
- Sermons of John Owen
- Several Practical Cases of Conscience Resolved
- Treatise of the Dominion of Sin and Grace
- Truth and Innocence Vindicated
- Two Short Catechisms
- Vindiciæ Evangelicæ or, the Mystery of the Gospel Vindicated and Socinianism Examined
- Pascal, Blaise (1623-1662)
- Pensées
- Richardson, Cyril C. (1909-1976)
- Early Christian Fathers
- Rolle of Hampole, Richard (c. 1290-c. 1349)
- Incendium Amoris [Latin]
- Rolt, Clarence Edwin (1880-1917)
- Dionysius the Areopagite: On the Divine Names and the Mystical Theology.
- Rutherford, Samuel (1600-1661)
- Selection from his Letters
- Saint Ephraim of Syria (ca. 306-373)
- Pearl
- Sayers, Dorothy L. (1893-1957)
- Catholic Tales and Christian Songs
- Schaff, Philip (1819-1893)
- ANF01. The Apostolic Fathers with Justin Martyr and Irenaeus
- Early Church Fathers (version 2)
- New Schaff-Herzog Encyclopedia of Religious Knowledge, Vol. III: Chamier - Draendorf
- NPNF1-01. The Confessions and Letters of St. Augustine, with a Sketch of his Life and Work
- NPNF1-02. St. Augustine's City of God and Christian Doctrine
- NPNF2-08. Basil: Letters and Select Works
- NPNF2-09. Hilary of Poitiers, John of Damascus
- Scougal, Henry (1650-1678)
- Life of God in the Soul of Man
- Sheldon, Charles Monroe (1857-1946)
- In His Steps
- Smith, Hannah Whitall (1832-1911)
- Christian's Secret of a Happy Life
- God of All Comfort
- Spurgeon, Charles Haddon (1834-1892)
- All of Grace
- Commenting and Commentaries
- Taylor, Jeremy (1613-1667)
- Holy Dying
- Holy Living
- Teresa of Avila, St. (Teresa de Cepeda y Ahumada, 1515-1582)
- Interior Castle or The Mansions
- Life of St. Teresa of Jesus, of The Order of Our Lady of Carmel
- Way of Perfection
- Therese, of Lisieux, St. (1873-1897)
- Poems of St. Teresa, Carmelite of Lisieux, known as the 'Little Flower of Jesus'
- Story of a Soul (l'Histoire d'une Ame): The Autobiography of St. Therese of Lisieux
- Thomas à Kempis (c. 1380-1471)
- Imitation of Christ
- Thomas Aquinas, Saint (1225?-1274)
- Catena Aurea - Gospel of Mark
- Catena Aurea - Gospel of Matthew
- Nature and Grace: Selections from the Summa Theologica of Thomas Aquinas
- Of God and His Creatures
- Summa Theologica
- Summa Theologica [HTML edition]
- Traherne, Thomas, (1636?-1674)
- Centuries of Meditations
- Ugolino, Brother (13th-14th c.)
- Little Flowers of St. Francis of Assisi
- Underhill, Evelyn (1875-1941)
- Mysticism: A Study in Nature and Development of Spiritual Consciousness
- Unknown Christian
- Kneeling Christian
- Wesley, John (1703-1791)
- Collection of Hymns, for the Use of the People Called Methodists
- Journal of John Wesley
- Plain Account of Christian Perfection
- Whitefield, George (1714-1770)
- Selected Sermons of George Whitefield
- Woolman, John (1720-1772)
- Journal of John Woolman