Contains critical and biographical information about authors and their works. (web archive)
John Hopkins Guide to Literary Theory and Criticism
Historical survey of the key literary figures, schools, and movements.
Literary Theory and Schools of Criticism
The major literary theories from Moral Criticism to Critical Disability Studies.
Stanford Encyclopedia of Philosophy
The Stanford Encyclopedia of Philosophy organizes scholars from around the world in philosophy and related disciplines to create and maintain an up-to-date reference work.