'Is Act-Utilitarianism Self-Defeating?', Philosophical Review, vol. 81 (January 1972), pp. 94-104

'Famine, Affluence and Morality', Philosophy and Public Affairs, vol. 1 (Spring 1972), pp. 229-43

'Moral Experts', Analysis, vol. 32 (March 1972), pp. 115-117

'The Triviality of the Debate over "Is-Ought" and the Definition of "Moral"', American Philosophical Quarterly, vol. 10 (January 1973), pp. 51-56

'Altruism and Commerce: A Reply to Arrow', Philosophy and Public Affairs, vol. 2 (Spring 1973), pp. 312-320

'Sidgwick and Reflective Equilibrium', The Monist, vol. 58 (July 1974), pp. 490-517

'All Animals are Equal', Philosophical Exchange, vol. 1 (Summer 1974), pp. 103-116

'Is Racial Discrimination Arbitrary?' Philosophia, vol. 8, nos. 2-3 (November 1978), pp. 185-203

'Killing Humans and Killing Animals', Inquiry, vol. 22 (Summer 1979), pp. 145-156

'Animals and Human Beings are Equals', Animal Regulation Studies, vol. 2 (1979/80), pp. 165-174

'Utilitarianism & Vegetarianism', Philosophy and Public Affairs, vol. 9 (1980), pp. 325-337

'Animal Liberation', The Connecticut Scholar, Occasional Papers, no. 3 (1980), pp. 70-88

'An Argument for Utilitarianism', Canadian Journal of Philosophy, vol. XI (June 1981), pp. 229-239 (with Yew-Kwang Ng)

'Ethics and Sociobiology', Philosophy and Public Affairs, vol. 11 (1982), pp. 40-64

'The Oxford Vegetarians - A Personal Account', International Journal for the Study of Animal Problems, vol. 3 (1982), pp. 6-9

'Can We Avoid Assigning Greater Value to Some Lives Than to Others?', Community Health Studies, supplementary issue (May 1982), pp. 39-44

'The Treatment of Newborn Infants with Major Handicaps: A Survey of Obstetricians and Paediatricians in Victoria', Medical Journal of Australia, (September 17, 1983), pp. 274-278 (with H. Kuhse and C. Singer)

'In Vitro Fertilisation': the Major Issues', Journal of Medical Ethics, 9 (December 1983), pp. 192-195, 198-199 (with Deane Wells)

'The Ethics of the Reproduction Revolution', Annals of the New York Academy of Sciences, vol. 442 (1985), pp. 588-594

'Making Laws about Making Babies', Hastings Center Report, vol. 15, no. 4 (August 1985), pp. 5-6

'Ethics and the Handicapped Newborn Infant', Social Research, vol. 52 (1985), pp. 505-542 (with Helga Kuhse)

'Resources and Hard Choices in Aged Care', Proceedings of the 20th Annual Conference of the Australian Association of Gerontology, (1985), pp. 38-41 (co-author with Helga Kuhse)

'Animal Liberation: A Personal View', Between the Species, vol. 2 (Summer 1986), pp. 148-154

'The Ethics of Embryo Research', Law, Medicine & Health Care, vol. 14 (1986), pp. 133-138 (with Helga Kuhse)

'For Sometimes Letting - and Helping - Die', Law, Medicine & Health Care, vol. 14 (1986), pp. 149-154 (with Helga Kuhse)

'Animal Liberation or Animal Rights?', The Monist, vol. 70 (January 1987), pp. 3-14

'Attitudes of Australian neonatal paediatricians to the treatment of extremely preterm infants', Australian Paediatric Journal, vol. 23 (1987), pp. 223-226 (jointly with C. De Garis, H. Kuhse and V.Y.H. Yu)

'Which babies are too expensive to treat?' Bioethics, vol. 1, no. 3 (July 1987), pp. 275-283

'Age and the Allocation of Medical Resources', The Journal of Medicine and Philosophy, 13 (1988), pp. 101-116 (with Helga Kuhse)

'IVF and the Argument from Potential', Philosophy and Public Affairs, vol. 17 (1988), pp. 87-104 (with Karen Dawson)

'Doctors' Practices and Attitudes Regarding Voluntary Euthanasia', Medical Journal of Australia, (June 20, 1988), pp. 623-627 (with Helga Kuhse)

'Allocating Resources in Perinatal Medicine: A Proposal', Australian Paediatric Journal, vol. 24 (August 1988), pp. 235-9 (with J. Mackenzie and H. Kuhse)

'Whither Surrogacy?', The Medical Journal of Australia, (October 17, 1988), pp. 426-429 (with E. Carl Wood)

'Can bioethics be both rigorous and practical?', Reseaux, 53-4 (1987-88), pp. 121-130

'The Syngamy Debate: When Precisely Does a Human Life Begin?', Law, Medicine and Health Care, vol. 17, no. 2 (Summer 1989), pp. 174-181 (with Stephen Buckle and Karen Dawson)

'Australian Commissions and Committees on Issues in Bioethics', Journal of Medicine and Philosophy, vol. 144, no. 4 (August 1989), pp. 403-424 (with Pacal Kasimba)

'The quality/quantity-of-life distinction and its moral importance for nurses', International Journal of Nursing Studies, vol. 26, no. 3 (1989), pp. 203-212 (with Helga Kuhse)

'To Do or Not to Do?', Hastings Center Report, vol. 19, no. 6 (November/December 1989), pp. 42-44

'Il concetto di morte tra etica filosofica e medicina', Politeia (Milan), vol. 5, no. 16 (1989), pp. 4-13

'Bioetica: dilucidazioni e problemi' ('Bioethics: Elucidations and Problems'), Iride (Rome), 3 (1989), pp. 167-181 (an interview with M. Mori)

'Bioethics and Academic Freedom', Bioethics, vol. 4, no. 1 (January 1990), pp. 33-44

'Should fertile people have access to in vitro fertilisation?', British Medical Journal, 300 (January 20, 1990), pp. 167-70 (with Karen Dawson)

'The Human Genome Project: for better or for worse?', Medical Journal of Australia, 152 (May 7, 1990), pp. 484-6 (with Karen Dawson)

'Zwischen Leben entscheiden: Eine Verteidigung' ('Deciding between lives: a defence'), Analyse & Kritik, 12 (1990), pp. 119-130 (with Helga Kuhse)

'The "Singer-Affair" and Practical Ethics: A Response', Analyse & Kritik, 12 (1990), pp. 245-64

'The Ethics of Patenting Life-Forms', Intellectual Property Forum, 14 (May 1991), pp. 31-38

'A Philosopher Among the Test-Tubes', Meanjin, 50 (1991), pp. 493-500

'Euthanasia and Academic Freedom in the German-Speaking World', Kriterion, vol. 1, no. 2 (1991), pp. 8-10

'Applied ethics in a hostile environment', Theoria, vol. LXVII, nos. 1-2 (1991), pp. 111-114

'Euthanasia: a survey of nurses's attitudes and practices', Australian Nurses Journal, vol. 21, no. 8 (March 1992), pp. 21-22 (with Helga Kuhse)

'A German Attack on Applied Ethics', Journal of Applied Philosophy, vol. 9, no. 1 (1992), pp. 85-91

'Xenotransplantation and Speciesism', Transplantation Proceedings, vol. 24, no. 2 (April 1992), pp. 728-732

'L'éthique appliquée', Cahiers antispécistes lyonnais, 4 (July 1992), pp. 5-12

'Bioethics at Monash University', International Journal of Bioethics, vol. 2, no. 3 (June/July 1992), pp. 111-115

'The International Association of Bioethics', Medical Journal of Australia, 158 (March 1, 1993), pp. 298-9

'Voluntary euthanasia and the nurse: an Australian survey', International Journal of Nursing Studies, vol. 30, no. 4 (1993), pp. 311-322 (with Helga Kuhse)

'More on euthanasia: a response to Pauer-Studer', The Monist, vol. 76, no. 2 (1993), pp. 158-174 (with Helga Kuhse)

'Bioethics and the Limits of Tolerance', The Journal of Medicine and Philosophy, vol. 19, no. 2 (1994), pp. 129-145

'Die Ethik der Embryonenforschung', Aufklärung und Kritik, Sonderheft 1, 1995, pp. 83-7

'Feminism and Vegetarianism: A Response', Philosophy in the Contemporary World, vol. 1, no. 3 (Fall 1994), pp. 36-9

'Double Jeopardy and the Use of QALYs in Health Care Allocation', Journal of Medical Ethics, vol. 21, no. 3 (1995), pp. 144-150 (with John McKie, Helga Kuhse and Jeff Richardson)

'Is the Sanctity of Life Ethic Terminally Ill?', Bioethics, vol. 9, nos. 3/4 (1995), pp. 327-343

'William Godwin and the Defence of Impartialist Ethics', Utilitas, vol. 7, no.1 (May 1995), pp. 67-86 (with Leslie Cannold and Helga Kuhse)

'Xenotransplantation: is it ethically defensible?', Xeno, vol. 3, no. 4 (August 1995), pp. 58-60 (with Alison Hutchinson)

'The Legalisation of Voluntary Euthanasia in the Northern Territory', Bioethics, vol. 9, no. 5 (October 1995), pp. 419-424

'Maximizing Health Benefits vs. Egalitarianism: An Australian survey of health issues', Social Science and Medicine, vol. 41, no. 10 (1995), pp. 1429-37 (with Erik Nord, Jeff Richardson, Andrew Street and Helga Kuhse)

'Active Voluntary Euthanasia, Morality and the Law', Journal of Law and Medicine, vol. 3, no. 1 (November 1995), pp. 129-135

'The Great Ape Project: premises and implications', ATLA, 23 (1995), pp. 626-631 (with Paola Cavalieri)

'Coping with global change', Critical and Creative Thinking, vol. 3, no. 2 (1995), pp. 1-12

'Is there a universal moral sense?', Critical Review, vol. 9, no. 3 (Summer 1995), pp. 325-339

'Who cares about cost? Does economic analysis impose or reflect social values?', Health Policy, 34 (1995), pp. 79-94 (with Erik Nord, Jeff Richardson, Andrew Street and Helga Kuhse)

'Coping with Global Change: The Need for Different Values', Journal of Human Values, vol. 2, no.1 (January-June 1996), pp. 37-48

'What is the Justice-Care Debate Really About?', Midwest Studies in Philosophy, XX (1996), pp. 357-377 (with Leslie Cannold, Helga Kuhse and Lori Gruen)

'Ethics and the Limits of Scientific Freedom', The Monist, vol. 79, no. 2 (April 1996), pp. 218-229

'Dilemma von Leben und Tod', Universitas, vol. 51, no. 559 (May 1996), pp. 432-437

'The Significance of Age and Duration of Effect in Social Evaluation of Health Care', Health Care Analysis, 4 (1996), pp. 103-111 (with Erik Nord, Jeff Richardson, Andrew Street and Helga Kuhse)

'Caring and Justice: A Study of Two Approaches to Health Care Ethics', Nursing Ethics, vol. 3, no. 3 (1996), pp. 212-223 (with Maurice Rickard and Helga Kuhse)

'O Naravi Bioetike' ('On the Nature of Bioethics'), Drustvena Istrazivanja (Zagreb), vol. 5, nos. 3-4 (1996), pp. 523-532

'Allocating Healthcare by QALYs: The Relevance of Age', Cambridge Quarterly of Healthcare Ethics, vol. 5, no. 4 (Fall 1996), pp. 534-545 (with John McKie, Helga Kuhse, and Jeff Richardson)

'End-of-life decisions in Australian medical practice', Medical Journal of Australia, vol. 166, no. 4 (February 17, 1997), pp. 191-6 (with Helga Kuhse, Maurice Rickard, Malcolm Clark and Peter Baume)

'Neither human nor natural: ethics and feral animals', Reproduction, Fertility and Development, vol. 9, no. 1 (1997), pp. 157-162

'Partial and impartial ethical reasoning in health care professionals', Journal of Medical Ethics, vol. 23, no. 4 (1997), pp. 226-232 (with Helga Kuhse, Maurice Rickard, Leslie Cannold and Jessica van Dyk)

'Medical end-of-life decisions: Australia and the Netherlands', Mature Medicine Canada, vol. 1, no. 3 (May-June 1998), pp. 37-8 (Helga Kuhse, Peter Singer, Peter Baume and Malcolm Clark)

'Die alte Ethik bröckelt', Universitas, 53 (July 1998), pp. 665-680 (with Hartmut Kuhlmann)

'Reconciling Impartial Morality and a Feminist Ethic of Care', Journal of Value Inquiry, 32 (1998), pp. 451-463 (with Helga Kuhse and Maurice Rickard)

'Learning from Henry Spira', Cambridge Quarterly of Healthcare Ethics, vol. 8, no. 1 (1999), pp. 3-6 (with Arlene Klotzko)

'Ética más allá de los límites de la especie', Teorema, vol. XVIII, no. 3 (1999), pp. 5-16

'El "Proyecto Gran Simio" y el concepto de persona', Laguna, 7 (2000), pp. 333-347 (with Paula Casal)

'The Ethics and Economics of Heroic Surgery', Hastings Center Report, vol. 31, no. 2 (2001), pp. 47-48 (with Peter Ratiu)

'Grandes Simios, Personas y Animales. Respuesta a los Criticos', Laguna, 9 (2001), pp. 173-186 (with Paula Casal)

'De compras por el supermercado genético', Isegoria, 27 (2002) pp.19-40

'R.M. Hare’s Achievements in Moral Philosophy', Utilitas, vol. 14, no. 3 (2002), pp. 309-317

'Voluntary Euthanasia: A Utilitarian Perspective', Bioethics, vol. 17, nos. 5-6 (2003), pp. 526-541

'Fazendo Compras no Supermercado Genético' ('Shopping at the Genetic Supermarket'), Impulso, vol. 15, no. 36  (2004), pp. 13-23

'Stem Cell Research: The Fallacy in Bush's Position', New Jersey Medicine, vol. 101, no. 12 (December 2004), pp. 15-17

'Ethics for One World'/'Etica para un solo mundo', CONfines, no. 1 (June 2005), pp. 9-18/19-29

'Ethics and Intuitions', The Journal of Ethics, vol 9, no. 3-4 (October 2005), pp. 331-352

‘1980-2005: Bioethics then and now', Monash Bioethics Review, vol. 25, no. 1 (January 2006), pp. 9-14 (with Helga Kuhse)

‘The Moral Status of Stem Cells’, Metaphilosophy, vol. 38, no. 2-3 (April 2007), pp. 264–284 (with Agata Sagan)

‘Reply to Žižek. On Žižek and Animals’ (with Paola Cavalieri), International Journal of Baudrillard Studies, vol. 6, no. 1 (January 2009)

'Speciesism and Moral Status', Metaphilosophy, vol. 40, no. 3-4 (July 2009), pp. 567-581