Might and Magic 3 - The Isles of Terra

Game Revolution - http://www.gamerevolution.com/cheat/pc/might_and_magic_3
Offers walkthrough by Wong Chee Kong.

Rapier's Chamber - http://www.angelfire.com/la/rapier/MM3.html
Offers walkthrough by Wong Chee Kong, item list and running instructions.

Rotten Tomatoes - http://www.rottentomatoes.com/g/pc_games/might_and_magic_iii_isles_of_terra/overview.php
Offers game information and screen shots.

RPGClassics Shrine - http://www.rpgclassics.com/shrines/pc/mm3/
Offers walkthrough, maps, and a wide array of lists and game help.

The Llillking's Site - http://www.geocities.com/lilliputionking/
Offers all kinds of game help.