Don's Lighting Info Center!
Information and links on various types of light sources and the technology that makes them work.
http://members.misty.com/don/light.html
Home Lighting Magazine
Trade magazine for the decorative lighting industry with product search and article archive.
http://www.homelighting.com/
Lighting Facts
Photographs and descriptions of different styles of fixtures and bulbs, as well as cleaning tips, wiring diagrams, and suggestions for how to light a room.
http://www.lightingfacts.com/