Oxford Dictionary of Philosophy- This link opens in a new window
Covers all areas of philosophy and contains terms from the related fields of religion, science, and logic. Clear and authoritative definitions and make it an essential resource for students and teachers and an ideal introduction for anyone with an interest in philosophy. Includes 500 biographies of famous and influential philosophers and covers the most recent terms and concepts from Western philosophical traditions, as well as Chinese, Indian, Islamic, and Jewish philosophy.