Primary Sources

• “Mr. McTaggart’s Ethics,” International Journal of Ethics, 13 (1903): 341–70; reprinted in The Early Essays, pp. 201–32 (Scholar)
• Principia Ethica, Cambridge: Cambridge University Press, 1903; revised edition with “Preface to the second edition” and other papers, T. Baldwin (ed.), Cambridge: Cambridge University Press, 1993 (page references are first to the original and then to the revised edition). (Scholar)
• Review of Franz Brentano, The Origin of the Knowledge of Right and Wrong, International Journal of Ethics, 14 (1903): 115–23.
• Review of Hastings Rashdall, The Theory of Good and Evil, Hibbert Journal, 6 (1907–8): 446–51.
• Ethics, London: Williams and Norgate, 1912; London: Oxford University Press, 1947 (hardcover); London: Oxford University Press, 1965 (paperback) (page references are first to the original edition, then to the OUP hardcover, then to the OUP paperback). (Scholar)
• “The Conception of Intrinsic Value” and “The Nature of Moral Philosophy,” in G.E. Moore, Philosophical Studies, London: Routledge & Kegan Paul, 1922, pp. 253–75 and 310–39; “The Conception of Intrinsic Value” reprinted in Revised edition of Principia Ethica, pp. 280–98
• “Is Goodness a Quality?”, Proceedings of the Aristotelian Society, Supplementary Volume, 11 (1932): 116–31. (Scholar)
• “An Autobiography” and “A Reply to My Critics,” in P.A. Schilpp (ed.), The Philosophy of G.E. Moore, Evanston, IL: Northwestern University Press, 1942, pp. 3–39 and 535–687.
• The Early Essays, Tom Regan (ed.), Philadelphia: Temple University Press, 1986.
• The Elements of Ethics, T. Regan (ed.), Philadelphia: Temple University Press, 1991.

Secondary Sources

• Anonymous, 1903, Review of Principia Ethica, Athenaeum, 3794: 847–8. (Scholar)
• Anscombe, G.E.M., 1958, “Modern Moral Philosophy,” Philosophy 35: 1–19. (Scholar)
• Audi, Robert, 2004, The Good in the Right: A Theory of Intuition and Intrinsic Value, Princeton, NJ: Princeton University Press. (Scholar)
• Ayer, A.J., 1936, Language, Truth, and Logic, London: Victor Gollancz. (Scholar)
• Baldwin, Thomas, 1990, G.E. Moore, London: Routledge, Chs. 3–4. (Scholar)
• –––, 1993, “Editor’s Introduction,” Revised edition of Principia Ethica, pp. ix–xxxvii. (Scholar)
• Bosanquet, Bernard, 1904, Critical Notice of Principia Ethica, Mind, 13: 254–61
• Braithwaite, R.B., 1961, “George Edward Moore,” Proceedings of the British Academy, 47: 293–310. (Scholar)
• Brentano Franz, 1969, The Origin of Our Knowledge of Right and Wrong, trans. Roderick M. Chisholm and Elizabeth Schneewind, London: Routledge & Kegan Paul. (Scholar)
• Brink, David O., 1989, Moral Realism and the Foundations of Ethics, Cambridge: Cambridge University Press, Ch. 6. (Scholar)
• Broad, C.D., 1930, Five Types of Ethical Theory, London: Routledge & Kegan Paul. (Scholar)
• –––, 1933–34, “Is ‘Goodness’ a Name of a Simple Non-Natural Quality?”, Proceedings of the Aristotelian Society, 34: 249–68. (Scholar)
• –––, 1942, “Certain Features in Moore’s Ethical Doctrines,” in Schilpp 1942, pp. 43–67. (Scholar)
• –––, 1961, “G.E. Moore’s Latest Published Views on Ethics,” Mind, 70: 435–57. (Scholar)
• –––, 1971, “Self and Others,” in Cheney, ed., Broad’s Critical Essays in Moral Philosophy, London: George Allen & Unwin, pp. 262–83 (this essay was first published in 1953). (Scholar)
• Butchvarov, Panayot, 1989, Skepticism in Ethics, Bloomington, IN: Indiana University Press. (Scholar)
• Chisholm, Roderick M., 1986, Brentano and Intrinsic Value, Cambridge: Cambridge University Press. (Scholar)
• Cosker-Rowland, Rach, 2016, “In Defence of Good Simpliciter,” Philosophical Studies, 173: 1371–91. (Scholar)
• Cox, H.H., 1970, “Warnock on Moore,” Mind, 79: 265–69. (Scholar)
• Darwall, Stephen, 2003, “Moore, Normativity, and Intrinsic Value,” Ethics, 113: 468–89. (Scholar)
• Darwall, Stephen, Allan Gibbard, and Peter Railton, 1992, “Toward Fin de Siècle Ethics: Some Trends,” Philosophical Review, 101: 115–89. (Scholar)
• Enoch, David, 2011, Taking Morality Seriously: A Defense of Robust Realism, Oxford: Oxford University Press. (Scholar)
• Ewing, A.C., 1962, “G.E. Moore,” Mind, 71: 251. (Scholar)
• –––, 1947, The Definition of Good, London: Macmillan. (Scholar)
• Fletcher, Guy, 2012, “The Locative Analysis of Good For Formulated and Defended,” Journal of Ethics and Social Philosophy, 6: 1–27. (Scholar)
• Foot, Philippa, 2001, Natural Goodness, Oxford: Oxford University Press. (Scholar)
• Frankena, William, 1939, “The Naturalistic Fallacy,” Mind, 48: 464–77. (Scholar)
• –––, 1942, “Obligation and Value in the Ethics of G.E. Moore,”, in Schilpp 1942, pp. 93–110. (Scholar)
• Gampel, Eric, 1996, “A Defense of the Autonomy of Ethics: Why Value is Not Like Water,” Canadian Journal of Philosophy, 26: 191–209. (Scholar)
• Geach, P.T., 1956, “Good and Evil,” Analysis, 17: 33–42. (Scholar)
• Hare, R.M., 1952, The Language of Morals, Oxford: Clarendon Press. (Scholar)
• –––, 1963, Freedom and Reason, London: Oxford University Press. (Scholar)
• –––, 1981, Moral Thinking: Its Levels, Method and Point, Oxford: Clarendon Press. (Scholar)
• Harman, Gilbert, 1977, The Nature of Morality: An Introduction, New York: Oxford University Press. (Scholar)
• Horgan, Terence and Mark Timmons, 1991, “New Wave Moral Realism Meets Moral Twin Earth,” Journal of Philosophical Research, 16: 447–65. (Scholar)
• –––, 1992, “Troubles for New Wave Moral Semantics: The ‘Open Question Argument’ Revived,” Philosophical Papers, 21: 153–75. (Scholar)
• Horgan, Terence and Mark Timmons (eds.), 2006, Metaethics After Moore, Oxford: Oxford University Press. (Scholar)
• Hudson, W.D., 1970, Modern Moral Philosophy, London: Macmillan, Ch. 3. (Scholar)
• Huemer, Michael, 2006, Ethical Intuitionism, New York: Palgrave Macmillan. (Scholar)
• Hurka, Thomas, 1998, “Two Kinds of Organic Unity,” Journal of Ethics, 2: 283–304. (Scholar)
• –––, 2001, Virtue, Vice, and Value, New York: Oxford University Press. (Scholar)
• –––, 2003, “Moore in the Middle,” Ethics, 113: 599–628. (Scholar)
• –––, 2014, British Ethical Theorists from Sidgwick to Ewing, Oxford: Oxford University Press. (Scholar)
• –––, 2021, “Against ‘Good For’/‘Well-Being,’ For ‘Simply Good’,” Philosophical Quarterly, 72: 803–22. (Scholar)
• Irwin, Terence, 2009, The Development of Ethics: A Historical and Critical Study, Vol. III: From Kant to Rawls, Ch. 86, Oxford: Oxford University Press. (Scholar)
• Jones, E.E. Constance, 1906, “Mr. Moore on Hedonism,” International Journal of Ethics, 16: 429–64. (Scholar)
• Keynes, John Maynard, 1949, “My Early Beliefs,” in Two Memoirs, London: Hart-Davis, pp. 78–103. (Scholar)
• Kraut, Richard, 2007, What is Good and Why: The Ethics of Well-Being, Cambridge, MA: Harvard University Press. (Scholar)
• –––, 2011, Against Absolute Goodness, New York: Oxford University Press. (Scholar)
• Langford, C.H., 1942 “Moore’s Notion of Analysis,” in Schilpp 1942, pp. 321–342. (Scholar)
• Lemos, Noah M., 1994, Intrinsic Value, Cambridge: Cambridge University Press. (Scholar)
• Levy, Paul, 1979, Moore: G.E. Moore and the Cambridge Apostles, New York: Holt, Rinehart and Winston. (Scholar)
• MacIntyre, Alasdair, 1981, After Virtue: A Study in Moral Theory, London: Duckworth, Ch. 2. (Scholar)
• Mackenzie, J.S., 1904, Review of Principia Ethica, International Journal of Ethics, 14: 377–82. (Scholar)
• Mackie, J.L., 1976, “Sidgwick’s Pessimism,” Philosophical Quarterly 26: 317–28 (Scholar)
• –––, 1977, Ethics: Inventing Right and Wrong, Harmondsworth: Penguin. (Scholar)
• Mayerfeld, Jamie, 1999, Suffering and Moral Responsibility, New York: Oxford University Press. (Scholar)
• McDaniel, Kris, 2014, “A Moorean View of the Value of Lives,” Pacific Philosophical Quarterly, 95: 23–46. (Scholar)
• McDowell, John, 1979, “Virtue and Reason,” The Monist 62: 331–50. (Scholar)
• McTaggart, John McTaggart Ellis, 1908, “The Individualism of Value,” International Journal of Ethics, 18: 433–45. (Scholar)
• Nagel, Thomas, 1986, The View From Nowhere, New York: Oxford University Press. (Scholar)
• Nuccetelli, Susana and Gary Seay (eds.), 2007, Themes from G.E. Moore: New Essays in Epistemology and Ethics, Oxford: Oxford University Press. (Scholar)
• Parfit, Derek, 2011, On What Matters, 2 vols., Oxford: Oxford University Press. (Scholar)
• Phillips, David, 2011, Sidgwickian Ethics, New York: Oxford University Press. (Scholar)
• Pigden, Charles R., 1990, “Geach on Good,” Philosophical Quarterly 40: 129–54. (Scholar)
• –––, 2007, “Desiring to Desire: Russell, Lewis, and G.E. Moore,” in Nuccetelli and Seay (eds.), Themes from G.E. Moore, Oxford: Clarendon Press, pp. 244–60. (Scholar)
• Prichard, H.A., 1912, “Does Moral Philosophy Rest on a Mistake?”, Mind 21: 21–37. (Scholar)
• Rashdall, Hastings, 1885, “Professor Sidgwick’s Utilitarianism,” Mind 10: 200–26. (Scholar)
• –––, 1907, The Theory of Good and Evil, 2 vols., London: Oxford University Press. (Scholar)
• Regan, Donald H., 2003, “How to Be a Moorean,” Ethics, 113: 651–77. (Scholar)
• –––, 2004, “Why Am I My Brother’s Keeper”, in R.J. Wallace et al. (eds.), Reason and Value: Themes From the Moral Philosophy of Joseph Raz, Oxford: Clarendon Press, pp. 202–30. (Scholar)
• Regan, Tom, 1986, Bloomsbury’s Prophet: G.E. Moore and the Development of His Moral Philosophy, Philadelphia: Temple University Press. (Scholar)
• Ross, W.D., 1930, The Right and the Good, Oxford: Clarendon Press. (Scholar)
• Russell, Bertrand, 1904, Review of Principia Ethica, Independent Review, 2: 328–33. (Scholar)
• –––, 1966, “The Elements of Ethics,” in Bertrand Russell, Philosophical Essays, London: George Allen & Unwin, pp. 13–59 (first published 1910). (Scholar)
• Scanlon, T.M., 1998, What We Owe to Each Other, Cambridge, MA: Harvard University Press. (Scholar)
• –––, 2014, Being Realistic About Reasons, Oxford: Oxford University Press. (Scholar)
• Schilpp, P.A. (ed.), 1942, The Philosophy of G.E. Moore, Evanston, IL: Northwestern University Press. (Scholar)
• Shafer-Landau, Russ, 2003, Moral Realism: A Defence, Oxford: Oxford University Press. (Scholar)
• Shaver, Robert, 2000, “Sidgwick’s Minimal Metaethics,” Utilitas, 12: 261–77. (Scholar)
• –––, 2003, “Principia Then and Now,” Utilitas, 15: 261–78. (Scholar)
• Shaw, William H, 2020, Moore’s Ethics, Cambridge: Cambridge University Press. (Scholar)
• Sidorsky, David, 2007, “The Uses of the Philosophy of G.E. Moore in the Works of E.M. Forster,” New Literary History, 38: 245–71. (Scholar)
• Sidgwick, Henry, 1907, The Methods of Ethics, London, Macmillan, 7^th edition. (Scholar)
• Sinclair, Neil, 2018a, “The Naturalistic Fallacy and the History of Metaethics,” in N. Sinclair (ed.) 2018b, 9–29. (Scholar)
• ––– (ed.), 2018b, The Naturalistic Fallacy, New York: Cambridge University Press. (Scholar)
• Skelton, Anthony, 2011, “Ideal Utilitarianism: Rashdall and Moore,” in Thomas Hurka (ed.), 2011, British Moral Philosophers from Sidgwick to Ewing, Oxford: Oxford University Press, pp. 45–65. (Scholar)
• Stevenson, Charles L., 1944, Ethics and Language, New Haven: Yale University Press. (Scholar)
• –––, 1942,, “Moore’s Arguments Against Certain Forms of Ethical Naturalism,” in Schilpp (ed.) 1942, pp. 71–90. (Scholar)
• Stratton-Lake, Philip (ed.), 2002, Ethical Intuitionism: Re-evaluations, Oxford: Clarendon Press. (Scholar)
• Sturgeon, Nicholas L., 2003, “Moore on Ethical Naturalism,” Ethics 113: 528–56. (Scholar)
• Sumner, L.W., 1996, Welfare, Happiness, and Ethics, Oxford: Clarendon Press. (Scholar)
• Thomson, Judith Jarvis, 1997, “The Right and the Good,” Journal of Philosophy 94: 273–98. (Scholar)
• –––, 2003, Goodness and Advice, A. Gutmann (ed.), Princeton, NJ: Princeton University Press. (Scholar)
• Tucker, Miles, 2018, “Simply Good: A Defence of the Principia,” Utilitas 30: 253–70. (Scholar)
• Vessel, Jean-Paul, 2020, “Moore’s Open Question Maneuvering: A Qualified Defence,” Journal of Ethics, 24: 91–117. (Scholar)
• Warnock, G.J., 1967, Contemporary Moral Philosophy, London: Macmillan, Ch. 2. (Scholar)
• Warnock, Mary, 1978, Ethics Since 1900, 3^rd ed., Oxford: Oxford University Press, Ch. 1. (Scholar)
• Welchman, Jennifer, 1989, “G.E. Moore and the Revolution in Ethics: A Reappraisal,” History of Philosophy Quarterly, 6: 317–29. (Scholar)
• Wilde, Norman, 1905, Review of Principia Ethica, Journal of Philosophy, Psychology, and Scientific Method, 2: 581–3. (Scholar)
• Woolf, Leonard, 1960, Sowing, London: Hogarth. (Scholar)
• Zimmerman, Michael J., 1999, “In Defense of the Concept of Intrinsic Value,” Canadian Journal of Philosophy, 29: 389–410. (Scholar)

Special Issues

• Ethics, 113/3 (2003): special volume for the centenary of Principia Ethica. (Scholar)
• Journal of Value Inquiry, 37/3 (2003): special volume for the centenary of Principia Ethica. (Scholar)
• Southern Journal of Philosophy, 41 (2003) Supplement: special volume for the centenary of Principia Ethica. (Scholar)