| Welfare, Happiness, and Ethics LW Sumner Clarendon Press, 1996 | 2127 | 1996 |
| The Moral Foundation of Rights LW Sumner Clarendon Press, 1987 | 840 | 1987 |
| Abortion and moral theory LW Sumner Princeton University Press, 2014 | 343 | 2014 |
| The hateful and the obscene: Studies in the limits of free expression LW Sumner University of Toronto Press, 2004 | 127 | 2004 |
| Assisted death: a study in ethics and law LW Sumner Oxford University Press (UK), 2011 | 116 | 2011 |
| The subjectivity of welfare LW Sumner Ethics 105 (4), 764-790, 1995 | 96 | 1995 |
| Two theories of the good LW Sumner Social Philosophy and Policy 9 (2), 1-14, 1992 | 74 | 1992 |
| A matter of life and death LW Sumner Noûs, 145-171, 1976 | 74 | 1976 |
| Classical utilitarianism and the population optimum LW Sumner | 57 | 1978 |
| Normative ethics and metaethics LW Sumner Ethics 77 (2), 95-106, 1967 | 51 | 1967 |
| Something in between LW Sumner Well-being and morality, 1-19, 2000 | 46 | 2000 |
| The good and the right LW Sumner Canadian Journal of Philosophy Supplementary Volume 5, 99-114, 1979 | 43 | 1979 |
| Is virtue its own reward? LW Sumner Social Philosophy and Policy 15 (1), 18-36, 1998 | 41 | 1998 |
| Incitement and the regulation of hate speech in Canada: A philosophical analysis LW Sumner Extreme speech and democracy, 204-220, 2009 | 37 | 2009 |
| Utility and capability LW Sumner Utilitas 18 (1), 1-19, 2006 | 34 | 2006 |
| Animal welfare and animal rights LW Sumner The Journal of medicine and philosophy 13 (2), 159-175, 1988 | 33 | 1988 |
| Rights denaturalized LW Sumner Utility and rights, 20-41, 1984 | 33 | 1984 |
| Physician-Assisted death: what everyone needs to know LW Sumner Oxford University Press, 2017 | 30 | 2017 |
| Welfare, happiness, and pleasure LW Sumner Utilitas 4 (2), 199-223, 1992 | 30 | 1992 |
| A third way LW Sumner The problem of abortion, 71-93, 1984 | 24 | 1984 |
