ArtsAlive.ca Brief definition of Jazz.
BBC Jazz portal with news, reviews, concert information etc.
Bluebeat Music Huge selection of Jazz music CDs.
Columbia Encyclopedia Worthwhile entry on the history of Jazz and several genres and styles.
Factmonster Definition of Jazz.
Jazz Corner Website with a long list of musician website links, news and a massive web forum for Jazz fans.
JazzReview.com Great Jazz portal with CD, concert and book reviews, interviews, a huge Jazz web forum, quizzes, photos, news etc.
Jazz Improv Jazz magazine.
Jazz Online Jazz portal with CD and video reviews, plus education information of Jazz styles etc.
MSN Encarta Comprehensive encyclopedic entry on Jazz including its characteristics, origin, history, artists, genres, styles, eras etc.
MusicWeb Excellent history of Jazz.
The Golden Age of Jazz Site with many memorable photos of all things Jazz-related.
Tom Morgan's Jazz and Blues History of Jazz website.
Wikipedia Comprehensive history of Jazz.
WNUR FM Great map of various Jazz genres and stlyes.