Lemmings Series

GameSpot: 3D Lemmings
Offers review, downloads, cheats and hints, and screen shots.
http://www.gamespot.com/pc/puzzle/3dlemmings/

The Lemmings Compendium
Features walkthroughs, level codes, downloads and links for the games.
http://www.deinonych.com/lemmings/

Lemmings Fan Page
Information about each of the games, a level editor, hints, cheat codes, and solutions for most of the games.
http://www.geocities.com/TimesSquare/6150/

Lemmings forever
With downloads, information, hints and a survey.
http://lemnet.tripod.com/index-2.html

The Lemmings Games
A chronology and history, cheats, downloads, artwork, and biological information.
http://www.kallex.de/lemmings/

Level 80
The level codes for every level on Fun, Tricky, Taxing and Mayhem for the PC
http://www.level80.co.uk/lemmings.htm

Wikipedia: Lemmings
Encyclopedia article on Lemmings.
http://en.wikipedia.org/wiki/Lemmings

Game Industry News: Lemmings Revolution
Reviewed by Barbara Browning. Score: 4 out of 5. <small>(2000)</small>
http://www.gameindustry.com/review/item.asp?id=437

Your Sinclair Rock 'n' Roll Years
Reviewed by Andy Hutchinson, [91°]. Also includes box art and screenshots. <small>(January, 1992)</small>
http://www.ysrnry.co.uk/articles/lemmings.htm