Kutor's Scrolls - Several small guides geared towards warrior mages. - http://www.largesock.com/dr/
The Mana Dumpsite - Detailed guides for mages, including spell lists, hunting guides, and armor and weapon listings. - http://www.eng.uc.edu/~bhanes/dr
The Halfling Hole - Detailed information about Halflings including anatomy, behaviour and training. - http://www.cornhusker.net/~deboert/index2.html