The Johns Hopkins Guide to Literary Theory & Criticism is an indispensable resource for scholars and students of literary theory and discourse. Presents a comprehensive historical survey of the field's most important figures, schools, and movements. It includes more than 240 alphabetically arranged entries on critics and theorists, critical schools and movements, and the critical and theoretical innovations of specific countries and historical period.
Literature Online (LION) isn't just for literary criticism - it also contains full-text editions of major works (and some not so major works as well!). There are a number of ways to search for texts, so here are a few:
Using the Search option under the "Texts" link in the top menu, search for works using title, author, or keywords.
Using the Browse option under the "Texts" link in the top menu, browse for works under the period categories ("All Texts"). Or follow the links under Browse (Major Anthologies, Literary Works in Journals, Video and Audio) to explore texts by publication and author. The Video and Audio link will let you browse sound and video recordings of poetry and Shakespeare's plays.
Cambridge Collections Online offers subject or theme based collections of content within a richly functional, fully cross-searchable online environment. All of the fabulous resources of the numerous Cambridge Companions are available to you through this resource. The Companions feature authors and theorists including: Shakespeare, Nabokov, Hemingway, Adorno, Benjamin, Marlowe, just to name a few. You can view individual volumes, individual essays, and the rich bibliographies that are included within each publication. Each collection is updated with new Companions on publication.
The Oxford English Dictionary (OED) is the accepted authority on the evolution of the English language over the last millennium. It is an unsurpassed guide to the meaning, history, and pronunciation of over half a million words, both present and past.