Harvard University
The Harvard Chaucer Page: English Romance
A survey of Geoffrey Chaucer's work, which was much influenced by romance, the dominant mode of secular fictional narrative in his time.
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.