Jazz Kids - Includes a time line of jazz history, information about some of its greatest musicians, and a make your own music feature at the Improvisation Station. - http://pbskids.org/jazz/
Jazz Roots - Illustrated profiles of early 20th century performers with a timeline from 1800 to 1930 and images of early sheet music. - http://www.jass.com/
American Popular Music 1900 to 1950 - An overview of people and events through a study of different musical genres, including blues, jazz, musicals and big band. - http://kclibrary.nhmccd.edu/music-2.html
This Week In Blues History - Facts and stories about the blues of decades past. - http://www.p-dub.com/thisweek/
Cascade Blues Association: BluesNotes - Articles from the magazine covering blues history, artists, bands and composers. - http://www.cascadeblues.org/Archives/
WNUR-FM's JazzWeb - User-built collection of links and articles on all aspects of jazz. Includes search-engine feature. - http://www.wnur.org/jazz/