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.
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.