The Oxford Companion to Philosophy is the authoritative philosophy reference handbook from Oxford University Press, edited by Ted Honderich and with 250 distinguished contributors including Anthony Kenny, Anthony Quinton and Peter Singer. The handbook features 2,000 entries in 1030 pages including more than 50 extended entries on great philosophers and on key areas of philosophy.

The Oxford Companion to Philosophy. Edited by Ted Honderich et al. Oxford and New York: Oxford University Press, 1995, 2003.