Other
Jazz Institute of Chicago: Homepage
This resource from the Jazz Institute of Chicago focuses on the Chicago jazz scene but contains many unique and interesting articles that are relevant to all jazz.
Other
European Free Improvisation Pages
A site about the European free improvisation scene. Contains articles, mp3's bibliography and videos.
Other
Is Acid Jazz a Continuation of the Jazz Phenomenon?
This is a research paper debating whether or not acid jazz is a continuation of traditional jazz music. It provides a history of how acid jazz started and includes many references for more research.