University of Victoria (Canada)
The U Vic Writer's Guide: Literary Term: Stanza
Contains a short explanation of the poetic stanza. Also defines Verse paragraphs. Unfortunately, no examples are given, but there are a few links to related terms.
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.