Article in 'The New York Times' (January 2, 2005).

Article from Inter-American Development Bank.

Chapter excerpted from 'One World: The Ethics of Globalization' (New Haven, 2002).

Article in 'The Age' (August 22, 2004).

Chapter 5 from 'A Darwinian Left' (New Haven, 1999).

Excerpted from 'Ethics into Action: Henry Spira and the Animal Rights Movement' (Oxford, 1998)

Autobiographical article in Thomas Mautner (ed.), 'The Penguin Dictionary of Philosophy' (London, 1997).

Article in 'The Tanner Lectures on Human Values' (November 13, 2002).

Article in Sian Griffiths & Jennifer Wallace (eds.), 'Consuming Passions' (Manchester, 1998).

Article from Ted Honderich (ed.), 'The Oxford Companion to Philosophy' (Oxford, 1995).

Article from Tom Regan and Peter Singer (eds.) 'Animal Rights and Human Obligations' (New Jersey, 1989).

Article in 'The New York Review of Books', Volume 50, Number 8 (May 15, 2003).

Article from Ted Honderich (ed.), 'The Oxford Companion to Philosophy' (Oxford, 1995).

(with Karen Dawn) Article in 'Los Angeles Times' (December 1, 2003).

Article in 'Los Angeles Times' (March 25, 2004).

Excerpted from Lori Gruen and Peter Singer, 'Animal Liberation: A Graphic Guide' (London, 1987).

Article in 'Prospect', (June 1998).

Article from Ted Honderich (ed.), 'The Oxford Companion to Philosophy' (Oxford, 1995).

Article in 'The New York Review of Books' (May 2, 1974).

Chapter excerpted from 'Animal Liberation' (2nd ed, New York, 1990).

Chapter excerpted from 'Practical Ethics' (Cambridge, 1979).

Article in 'The Bulletin' (December 15, 2004)

Excerpted from 'In Defense of Animals' (New York, 1985).

Article in 'Encyclopædia Britannica' (Chicago, 1985).

Article in 'The Mercury News' (June 30, 2002).

Article in 'Philosophy & Public Affairs', No. 1 (1972).

Article from Ted Honderich (ed.), 'The Oxford Companion to Philosophy' (Oxford, 1995).

Article in 'Free Inquiry Magazine', XXII, 2 (2002).

Article in 'The Daily Princetonian' (April 7, 2000).

Review of Midas Dekkers, 'Dearest Pet: On Bestiality' (London, 2000).

Article in 'The Guardian' (July 30, 2004).

Article in 'The Age' (February 5, 2003).

Excerpted from 'The President of Good and Evil' (New York, 2004).

Article from Ted Honderich (ed.), 'The Oxford Companion to Philosophy' (Oxford, 1995).

Article in 'New Internationalist', No. 342 (Jan / Feb, 2002).

Article in 'Evatt Foundation' (March 4, 2002).

Article in 'The Age' (April 1, 2003).

Excerpted from 'Singer and His Critics' (Oxford, 1999).

Article from Ted Honderich (ed.), 'The Oxford Companion to Philosophy' (Oxford, 1995).

Excerpted from Lori Gruen and Peter Singer, 'Animal Liberation: A Graphic Guide' (London, 1987).

Article in 'The Age' (December 26, 2004).

Article in 'The Daily Princetonian' (January 12, 2001).

Article in 'The Guardian' (May 19, 2003).

Chapter excerpted from 'Practical Ethics' (2nd edition, Cambridge, 1993).

Excerpted from 'Ethics into Action: Henry Spira and the Animal Rights Movement' (Oxford, 1998).

(Nottingham, 1985).

Chapter excerpted from 'The Expanding Circle: Ethics and Sociobiology' (Oxford, 1981).

Excerpted from 'How Are We to Live: Ethics in an Age of Self-Interest' (New York, 1995).

Article in 'Free Inquiry Magazine', Vol. 20, No. 3.

Article in 'The New York Review of Books' (March 6, 1975).

Article in 'The New York Times Sunday Magazine' (September 5, 1999).

Article in 'American Philosophical Quarterly', X, 1 (January 1973).

Article from Ted Honderich (ed.), 'The Oxford Companion to Philosophy' (Oxford, 1995).

Article on 'Slate' (December 12, 2001).

Article from Ted Honderich (ed.), 'The Oxford Companion to Philosophy' (Oxford, 1995).