PBS
The Roman Empire: Religion
Great site describes the early mythology of the Romans and how the Greeks influenced their religion. Contains a sizeable section on the lares and penates, the protective spirits of the home and pantry of a family. Also discusses the...
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.