W. W. Norton
Norton Anthology: Twentieth Century Topics
Explore the world of Twentieth Century British literature through this informative site. Find out how and why Georgian and Modernism movements developed. Includes a quiz.
Other
Bob's Byway: Glossary of Poetic Terms
Calling itself "unique," Bob's is easy to use, with cross-links throughout, phonetic pronunciation guides when necessary, and many examples and quotations. Click on the letter and scroll for the word.