Utah State University Hydroponics Site Offers nutrient solution recipes, general information, and many links.

Hydroponics as a Hobby Growing Plants Without Soil Circular 844 A circular from the Extension at University of Illinois at Urbana-Champaign, offers a basic history and guide to hobby hydroponics.

The Hanging Garden of Babylon One of the orignal hydroponic gardens.

Hydroponics Resource Center for inexpensive hydroponic startups. Quite a bit of info here.

Homegrown Hydroponics "Information on everything you need to grow indoors."

Uath State University Hydroponics Page Nutrient solution for different crops, general information on hydroponics

The Farm @ InterUrban Hydroponics Hydroponics 101