Theology -- Early works to 1800

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• Theology
• Christianity -- Early works to 1800

• Apologetics -- Early works to 1800
• Church -- Early works to 1800
• Natural theology -- Early works to 1800
• Theology, Doctrinal -- Early works to 1800
• Theology, Practical -- Early works to 1800

• Theology -- Early church, ca. 30-600
• Theology -- Middle Ages, 600-1500
• Theology -- 12th century
• Theology -- 15th century
• Theology -- 16th century
• Theology -- 17th century
• Theology -- 18th century

• Aurora, by Jakob Böhme, ed. by Charles John Barker and D. S. Hehner, trans. by John Sparrow (PDF with commentary at awardspace.com)
• Commentationes et Orationes Varii Argumenti (in Latin; Hamburg: Brandt, 1751), by Johann Lorenz Mosheim, ed. by Johann Peter Miller (page images at HathiTrust)
• The Commonitory of Vincent of Lérins, by Saint Vincent of Lérins, trans. by C. A. Heurtley (HTML at CCEL)
• Complete Philosophical and Theological Treatises of Anselm of Canterbury, by Saint Anselm, trans. by Jasper Hopkins and Herbert Richardson (PDF files with commentary at umn.edu)
• Complete Philosophical and Theological Treatises of Nicholas of Cusa, by Nicholas of Cusa, trans. by Jasper Hopkins (PDF files with commentary at umn.edu)
• De Principiis, by Origen (HTML with commentary at CCEL)
• Dialogus (complete Latin text; English translation of most of the text; with notes), by William of Ockham, ed. by John Kilcullen, George D. Knysh, Volker Leppin, John Scott, and Jan Ballweg (HTML in the UK)
• Enchiridion, by Saint Augustine, trans. by Albert Outler (HTML at CCEL)
• On Modesty, by Tertullian, trans. by Sydney Thelwall (HTML with commentary at CCEL)
• The Philocalia, by Origen (HTML at tertullian.org)
• Proclus' Metaphysical Elements (1909 translation), by Proclus, trans. by Thomas Moore Johnson (multiple formats at archive.org)
• The Remainder of Books Written by Jacob Behme (London: Printed by M. S. for Giles Calvert, 1662), by Jakob Böhme, trans. by John Sparrow (multiple formats at archive.org)
• The Remains of Thomas Cranmer, D.D. (4 volumes; Oxford: At the University Press, 1833), by Thomas Cranmer, ed. by Henry Jenkyns
  • Volume I: multiple formats at Google
  • Volume II: multiple formats at Google
  • Volume III: multiple formats at Google
  • Volume IV: multiple formats at Google
• Select Works of John Bale, D.D., Bishop of Ossory: Containing the Examinations of Lord Cobham, William Thorpe, and Anne Askew, and The Image of Both Churches (Cambridge: Printed at the University press, 1849), by John Bale, ed. by Henry Christmas, contrib. by John Oldcastle, William Thorpe, and Anne Askew (multiple formats at archive.org)
• The Theological Tractates (English versions of the Tractates only), by Boethius, trans. by Hugh Fraser Stewart and Edward Kennard Rand (page images and partial HTML at CCEL)
• Truth Triumphant Through the Spiritual Warfare, Christian Labours, and Writings of That Able and Faithful Servant of Jesus Christ, Robert Barclay (Philadelphia: Benjamin C. Stanton, 1831), by Robert Barclay
  • Volume I: HTML at Earlham
  • Volume II: HTML at Earlham
  • Volume III: HTML at Earlham
• The Works of Dionysius the Areopagite, Now First Translated into English From the Original Greek, trans. by John Parker, contrib. by Pseudo-Dionysius (multiple formats at CCEL)
• The Works of Jacob Behmen, the Teutonic Theosopher (4 volumes; London: Printed for M. Richardson, 1764-1781), by Jakob Böhme, contrib. by William Law
  • Volume I: multiple formats at archive.org
  • Volume II: multiple formats at archive.org
  • Volume III: multiple formats at archive.org
  • Volume IV: multiple formats at archive.org
• The Works of James Arminius, by Jacobus Arminius, trans. by James Nichols and William R. Bagnall
  • Volume 1: multiple formats at CCEL
  • Volume 2: multiple formats at CCEL
  • Volume 3: multiple formats at CCEL
• The Works of John Knox (6 volumes in 7; Edinburgh: Printed for the Bannatyne Club, 1846-1864), by John Knox, ed. by David Laing (page images at HathiTrust)
• The Works of the Long Mournful and Sorely Distressed Isaac Penington, Whom the Lord in Tender Mercy, at Length Visited and Relieved by the Ministry of That Despised People, Called Quakers (4 volumes; online edition), by Isaac Penington (HTML at qhpress.org)
• The Writings of John Bradford, M.A., Fellow of Pembroke Hall, Cambridge and Prebendary of St. Paul's, Martyr, 1555 (2 volumes; Cambridge: Printed at the University Press, 1848-1853), by John Bradford, ed. by Aubrey Townsend
  • Volume I (Sermons, Meditations, Examinations, Etc.): multiple formats at Google
  • Volume II (Letters, Treatises, Remains): multiple formats at Google
• The Writings of St. Francis of Assisi (Philadelphia: The Dolphin Press, 1906), by Saint Francis of Assisi, ed. by Paschal Robinson (HTML with commentary at sacred-texts.com)
• The Writings of St. Francis of Assisi (translated from the Critical Latin Edition), by Saint Francis of Assisi, ed. by Kajetan Esser (HTML at franciscan-archive.org)

• Ad Nationes, by Tertullian (text at EWTN)
• Address of Tatian to the Greeks (with fragments, and notes), by Tatian, trans. by Jonathan Edwards Ryland (HTML at CCEL)
• Adversus Marcionem (in Latin and English, with notes), by Tertullian, trans. by Ernest Evans (HTML at tertullian.org)
• Against Celsus (8 books; commentary appears between Book IV and Book V), by Origen (HTML with commentary at CCEL)
• Against Marcion, by Tertullian, trans. by Peter Holmes (HTML with commentary at CCEL)
• An Answer to the Jews, by Tertullian, trans. by Sydney Thelwall (HTML with commentary at CCEL)
• The Apocriticus of Macarius Magnes (Greek portions omitted), by Macarius Magnes, ed. by T. W. Crafer (HTML at tertullian.org)
• The Apology (from an 1851 edition), by Tertullian, trans. by Temple Chevallier (HTML at tertullian.org)
• The Apology (from an 1889 reprint of a 1709 translation), by Tertullian, trans. by William Reeve (HTML at tertullian.org)
• The Apology, by Tertullian, trans. by Sydney Thelwall (HTML with commentary at CCEL)
• An Apology for the True Christian Divinity, by Robert Barclay, ed. by Licia Kuenning (HTML at qhpress.org)
• An Apology for the True Christian Divinity: Being an Explanation and Vindication of the Principles and Doctrines of the People Called Quakers, by Robert Barclay (multiple formats at CCEL)
• The Apology of Tertullian for the Christians (London and Oxford: Parker and Co., 1890), by Tertullian, trans. by T. Herbert Bindley (HTML at tertullian.org)
• An Appeal to All that Doubt, or Disbelieve the Truths of the Gospel, by William Law (HTML at CCEL)
• The City of God, by Saint Augustine (HTML at CCEL)
• Dialogue With Trypho, by Justin Martyr (HTML at CCEL)
• Evidences of Christianity (London: W. Clowes and Sons, 1851), by William Paley (multiple formats at CCEL)
• Exhortation to the Heathen (Protrepticus), by Clement of Alexandria (HTML at CCEL)
• First Apology, by Justin Martyr (HTML at CCEL)
• Four Discourses Delivered to the Clergy of the Diocess of Sarum (London: Printed for Richard Chiswell, 1694), by Gilbert Burnet (multiple formats at Google)
• Observations on Man, His Frame, His Duty, and His Expectations (sixth edition; London: Printed for Thomas Tegg and Son, 1834), by David Hartley (page images at Google)
• The Octavius of Minucius Felix, by Marcus Minucius Felix (HTML with commentary at CCEL)
• Of God and His Creatures (annotated, abridged translation of the Summa Contra Gentiles), by Saint Thomas Aquinas, ed. by Joseph Rickaby (HTML at Notre Dame)
• Pensées, by Blaise Pascal, trans. by W. F. Trotter
  • HTML at CCEL
  • HTML at orst.edu
• A Plea for the Christians, by Athenagoras of Athens, trans. by Benjamin Plummer Pratten (HTML with commentary at CCEL)
• Preparation for the Gospel, by Eusebius of Caesarea, ed. by Roger Pearse, trans. by Edwin Hamilton Gifford (HTML at tertullian.org)
• Select Treatises of S. Athanasius, Archbishop of Alexandria, in Controversy With the Arians (Oxford: James Parker and Co., 1877), by Saint Athanasius, ed. by John Henry Newman (HTML at newmanreader.org)
• Select Treatises of S. Athanasius, in Controversy With the Arians (London: Longmans, Green and Co., 1903), by Saint Athanasius, ed. by John Henry Newman
  • Volume I: HTML at newmanreader.org
  • Volume II: HTML at newmanreader.org
• The Seven Books of Arnobius Against the Heathen, by Arnobius of Sicca, trans. by Hamilton Bryce and Hugh Campbell (HTML at CCEL)
• The Soul's Testimony, by Tertullian, trans. by Sydney Thelwall (HTML with commentary at CCEL)
• The Stromata, or Miscellanies, by Clement of Alexandria (HTML with commentary at CCEL)
• Tertullian On the Testimony of the Soul and On the "Prescription" of Heretics (SPCK, 1914), by Tertullian, trans. by T. Herbert Bindley (HTML at tertullian.org)
• Thoughts, by Blaise Pascal, trans. by W. F. Trotter
  • HTML at Fordham
  • HTML at Bartleby
• Thoughts; Letters; Minor Works (Harvard Classics edition; New York: P. F. Collier and Son, c1910), by Blaise Pascal, ed. by O. W. Wight, trans. by W. F. Trotter and Mary L. Booth (page images at HathiTrust)
• To Scapula, by Tertullian, trans. by Sydney Thelwall (HTML with commentary at CCEL)

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