5 links
Lazlo's Discography Machine
swcp.com
Comprehensive discography for Underworld from their Freur era onwards.
RollingStone.com: Underworld
rollingstone.com
Includes biography, discography, pictures, articles, video files, and message board.
RTSR Board of Trade
rtsr.rowla.com
Longest running Underworld related website. Primarily a trading resource for rare material. Also consists of mailing list, webring and radio show.