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

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

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/

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

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

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

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

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