Philosopher's Index This link opens in a new windowThe Philosopher’s Index contains research published since 1940 and includes more than 500,000 records. With more than 1,500 journal titles from over 450 different publishers, the database covers all fields of philosophy, including aesthetics, axiology, philosophy of education, epistemology, ethics, philosophy of history, philosophy of language, logic, metaphysics, philosophical anthropology, meta-philosophy, political philosophy, philosophy of science, social philosophy, and the philosophy of religion. The publications covered in this comprehensive database hail from 139 countries and appear in 37 languages.