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Animals
- The Problem of Pain, ch. IX
- “The Pains of Animals–Reply to Dr. C. E. M. Joad,” in God in the Dock
- “Vivisection,” in God in the Dock
- “Letter to Austin Farrer, 29 Dec. 1961,” in Collected Letters, Vol. III, 1308
- “Letter to Mary Willis Shelburne, 26 Oct. 1962,” in Collected Letters, Vol. III, 1376
Apologetics
Argument from Reason
- Miracles, Ch. 3
- “De Futilitate,” in Christian Reflections
Lord/Liar/Lunatic Argument
- Mere Christianity, ch. 3 (especially par. 12-13)
- The Problem of Pain, ch. 1, 23-24. (This early form of the argument only presents two options: Lord or Lunatic)
The Moral Argument
- Mere Christianity, Bk I
- Miracles, ch. 5
Beauty
- “De Futilitate,” in Christian Reflections, par. 27
- Mere Christianity, Bk. III, ch. VI, par. 9
- “Song,” in Spirits in Bondage: A Cycle of Lyrics, 50
- “The Weight of Glory,” in The Weight of Glory and Other Essays, 30-1; 39-41; 42-4
- “Letter to Arthur Greeves, 23 May 1918,” in Collected Letters, Vol. I, 371
- “Letter to Arthur Greeves, 29 May 1918,” in Collected Letters, Vol. I, 374
- “Letter to Arthur Greeves, 3 June 1918,” in Collected Letters, Vol. I, 377.
- “Letter to Leo Baker, July 1921,” in Collected Letters, Vol. I, 567-8
- “Letter to Arthur Greeves, 28 Aug. 1930,” in Collected Letters, Vol. I, 933
- “Letter to Arthur Greeves, 10 Jan. 1932,” in Collected Letters, Vol. II, 35
Education
- “Democratic Education,” in Present Concerns
- “Lilies that Fester,” in Christian Reunion and Other Essays
- “Modern Man and His Categories of Thought,” sec. I, in Present Concerns
- “On the Transmission of Christianity,” in God in the Dock
- Preface to “Screwtape Proposes a Toast,” in The Screwtape Letters
Equality
- “Democratic Education,” in Present Concerns (esp. p. 34)
- “Membership,” in The Weight of Glory and Other Addresses
Emotions [Quotes]
- The Screwtape Letters, XXX
- Letters to Malcolm: Chiefly on Prayer, XVIII, par. 14-15
- “Miserable Offenders,” in Christian Reunion and Other Essays
Free Will / Determinism [Quotes]
- Mere Christianity, Bk. II, ch. 3, par. 2-5; Bk. IV, ch. 3, par. 11
- The Great Divorce, ch. 13 (especially pages 124-25)
- The Problem of Pain, ch. 2, par. 16, p. 23
- Letters to Malcolm: Chiefly on Prayer, ch. IX, par. 9-12
Literature [Quotes]
Writing
- “Letter to Thomasine, 14 Dec. 1959,” in Letters, V. III, 1108.
- “Cross Examination,” in God in the Dock; also published in Christian Reunion and Other Essays
Logic
- “De Futilitate,” in Christian Reflections
Marriage [Quotes]
- Mere Christianity, Bk. III, ch. 6
- “Letter to Mary Neylan, 18 April 1940,” Letters, V. II, 392-7 [Quote]
- “Letter to Daphne Harwood, 06 March 1942,” Letters, V. II, 510-12 [Quote]
Memory
- “Hedonics,” in Present Concerns
- Letters to Malcolm: Chiefly on Prayer, V, par. 13
- “Talking About Bicycles,” in Present Concerns
Morality / Ethics / Good and Evil [Quotes]
- Letters to Malcolm: Chiefly on Prayer, XXI, par. 11-14
- Mere Christianity, Book I
- “On Ethics” in Christian Reflections
Mysticism
- Letters to Malcolm: Chiefly on Prayer, XII, par. 1-11
Myth [Quotes]
- An Experiment in Criticism, Ch. V
- Mere Christianity, Bk. II, ch. 3, par. 9
- “Myth Became Fact,” in God in the Dock
- The Pilgrim’s Regress, bk. VIII, ch. 8
Nature [Quotes]
- The Four Loves, ch. 2
- “Letter to Dom Bede Griffiths OSB, 10 May 1945,” in Letters, Vol. II, 648. [Quote]
Science [Quotes]
Explanation
- Letters to Malcolm: Chiefly on Prayer, XIX, par. 9
Evolution
- “Letter to Bernard Acworth, 09 December 1944,” in Letters, Vol. II, 632-633. [Quote]
- Mere Christianity, Bk. I, ch. 4, par. 2
Sexuality
- A Preface to Paradise Lost, ch. 17
- Letters to Malcolm: Chiefly on Prayer, III, par. 1-2
- Mere Christianity, Bk. III, ch. 5
- The Screwtape Letters, ch. XVIII, esp. par. 6
- “Letter to Mary Neylan, 18 April 1940,” Letters, V. II, 392-7 [Quote]
Society
- “The Inner Ring,” in The Weight of Glory and Other Addresses
Theology [Quotes]
General
- Mere Christianity, Bk. II, ch. 4, par. 3-4
Baptism
- Mere Christianity, Bk. II, ch. 5, par. 3-7
(The) Bible
- “Modern Translations of the Bible” in God in the Dock
- “What Are We to Make of Jesus Christ?” in God in the Dock
Church
- Mere Christianity, Bk. II, ch. 2, par. 12
- Letters to Malcolm: Chiefly on Prayer, I; XIX, par. 1-2;
- “Priestesses in the Church?” in God in the Dock
- The Screwtape Letters, II
(The) Cross
- Mere Christianity, Bk. II, ch. 4, par. 3-6
- Letters to Malcolm: Chiefly on Prayer, IX, par. 9-12
Ecumenism (Mere Christianity)
- Letters to Malcolm: Chiefly on Prayer, XIX, par. 4;
- Mere Christianity, preface, par. 1-10, 15-16
(The) Eucharist
- “Dogma and the Universe,” in God in the Dock, par. 16
- Letters to Malcolm: Chiefly on Prayer, II, par. 1; XIX, par. 3-13
- Mere Christianity, Bk. II, ch. 5, par. 3-7
- “Transposition,” in The Weight of Glory and Other Essays, par. 28
Heaven [Quotes]
- Letters to Malcolm: Chiefly on Prayer, XXI, par. 13; XXII, par. 7-20
- Reflections on the Psalms, IV, par. 15-16
- Surprised by Joy, ch. XV, par. 4
- “The Weight of Glory,” in The Weight of Glory and Other Essays,
- “Letter to Dom Bede Griffiths, 8 Jan. 1936,” in Letters, Vol. II, 177-8.
Hell [Quotes]
- Reflections on the Psalms, IV, par. 15-16
- Surprised by Joy, ch. XV, par. 4
- The Problem of Pain, VIII
- “The Weight of Glory,” in The Weight of Glory and Other Essays, par. 12
(Religious) Language / Metaphor
- “The Weight of Glory,” in The Weight of Glory and Other Essays, par. 8
- Letters to Malcolm: Chiefly on Prayer, X, par. 1-2; XVIII, par. 6-9; XXI, par. 2
Prayer
- Letters to Malcolm: Chiefly on Prayer
- Mere Christianity, Bk. IV, ch. 2, par. 8-9; ch. 3; ch. 8, par. 8-9
- “Petitionary Prayer: A Problem without An Answer,” in Christian Reflections
- Surprised by Joy, p. 20-21
- “The Efficacy of Prayer,” in The World’s Last Night and Other Essays
- The Screwtape Letters, III, par. 3; IV, VI par. 3; VII, par. 4; XII, par. 3-4; XV, par. 5; XXII, par. 3; XXVI; XXX, par. 1
- “Work and Prayer,” in God in the Dock
Purgatory
- Letters to Malcolm: Chiefly on Prayer, XX, par. 6-12
Salvation
- “Letter to Dom Bede Griffiths, 4 April 1934,” in Letters V. II, 135.
- “Letter to Mrs. Johnson, 3 Feb. 1955,” in Letters V. III, 576. [Quote]
- Mere Christianity, Bk. II, ch. 5, par. 8 (regarding those who don’t know about Christ)
Scripture
- Reflections on the Psalms
Time
- Letters to Malcolm: Chiefly on Prayer, XX, par. 13-17
Virtues / Christian Virtues
Charity
- Letters to Malcolm: Chiefly on Prayer, XXI, par. 11
- Mere Christianity, Bk. III, ch. 9
Faith
- Mere Christianity, Bk. III, ch. 11-12
Forgiveness
- Letters to Malcolm: Chiefly on Prayer, V, par. 15; XX, par. 1-2
- Mere Christianity, Bk. III, ch. 7
- Reflections on the Psalms, III, par. 10
War
- “Blimpophobia,” in Present Concerns
- “Letter to Dom Bede Griffiths, 5 Oct. 1938,” in Letters V. II, 233-4.
- “Why I Am Not a Pacifist,” in The Weight of Glory and Other Addresses
Publication Information
- An Experiment in Criticism (New York: Cambridge University Press, 2008).
- Christian Reflections (Grand Rapids: William B. Eerdmans Publishing Company, 1995).
- Christian Reunion and Other Essays, ed. Walter Hooper (London: Fount Paperbacks, 1990).
- God in the Dock: Essays on Theology and Ethics, ed. Walter Hooper (Grand Rapids: William B. Eerdmans Publishing Company, 1970).
- Letters to Malcolm: Chiefly on Prayer (New York: Harcourt, Inc., 1992)
- Mere Christianity (New York: Simon and Schuster, 1996).
- Spirits in Bondage: A Cycle of Lyrics (New York: Harcourt Brace & Company, 1984).
- The Collected Letters of C. S. Lewis, Volume I, ed. Walter Hooper (New York: HarperCollins Publishers, 2004).
- The Collected Letters of C. S. Lewis, Volume II, ed. Walter Hooper (New York: HarperCollins Publishers, 2004).
- The Collected Letters of C. S. Lewis, Volume III, ed. Walter Hooper (New York: HarperCollins Publishers, 2007).
- The Great Divorce (New York: The MacMillian Company, 1968).
- The Problem of Pain (New York: The MacMillian Company: 1955).
- The Screwtape Letters (New York: MacMillian Publishing Co., Inc., 1982).
- The Weight of Glory and Other Addresses (New York: HarperCollins, 1980).
- The World’s Last Night and Other Essays (New York: Harcourt Brace Jovanovich, Inc., 1960).

