- The Lego set reference site.
- The "Unofficial" Lego marketplace - need something for a project, start here.
- Lego Gallery Site - one of the first places where you could showcase your work.
- Another good Lego set reference site.
- Another Lego reference site, dated format but there's some useful information there.
- A technical Lego design reference at Rice University.
The Brick Testament
- The Bible - Lego style.