Scott Alexander
The Red Hot Jazz Archive: Sidney Bechet
Red Hot Jazz offers a biography, filmography, suggested reading, and links to many of Sidney Bechet's contemporaries as well as to other sites.
Other
The Duke Ellington Society
The Duke Ellington Society maintains this wealth of information on Duke Ellington and his works including news, information on the singers who worked with him, audio clips, and links to other Ellington sites.
PBS
Pbs: Biography of Dizzy Gillespie
This PBS biography about trumpeter and jazz musician Dizzy Gillespie includes photos, multiple audio features, and links within the text to other famous musicians.
Library of Congress
Loc: The Gerry Mulligan Collection
A collection of scores, recordings, and memorabilia of the jazz great Gerry Mulligan.
Scott Alexander
The Red Hot Jazz Archive: James Fletcher Henderson
Biography, discography, suggested reading, and links to Fletcher Henderson's contemporaries.
Other
All About Jazz: Fletcher Henderson
A biography of Fletcher Henderson, including suggested listening and suggested reading materials.