The Jam Information Pages 
Features discography, lyrics, audio clips, pictures, equipment listing, articles, tablatures, and links to related sites.
http://www.thejam.org.uk/PopMatters: Fire and Skill
Review of the various artists compilation of covers of songs by the Jam, and an overview of the band's career.
http://popmatters.com/music/reviews/various/various-fireandskill.shtml
Official Jam
Includes gig list from 1974 to 1982, chart positions and details of singles, albums and DVD. Interviews, photographs and links to related sites.
http://www.thejamfan.net/
Rollingstone.com: The Jam
Includes biography, photo gallery, news, discography, album reviews, audio/video, and message boards.
http://www.rollingstone.com/artists/thejam
