Here are some sites you may find useful:

Steve Waldstein manages a great referral list of good homeopaths around the country:
http://homeopathy-cures.com

Minimum Price Homeopathic Books
Almost every book on homeopathy. The professional's choice for
homeopathic reading, with books on materia medica, case taking,
repertorization, remedy selection, case management, and more.
http://www.minimum.com
 

These sites are for scientifically minded, those interested in getting the answer for the eternal question, HOW DOES THIS WORK?.  A good collection of articles here.  Read them, enjoy, but don't ask me what some of those things mean.  I don't understand half of it:
http://www.marius.net/proof.html
http://members.ozemail.com.au/~daood/paulc.htm

This web site is full of good information and very useful links, maintained by Valerie Sadovski, a classical homeopath in Seatle, WA:
http://www.marlev.com/homeo/

Here is a great site for people interested in Homeopathic research and they sell books too!
http://www.homeopathic.com/research/index.html

Homeopathic books from India:  www.bjainbooks.com

If you are a homeopath and you need to bring some order to your remedy storage, check out the system I invented:
http://www.RemedyStorage.com

Unfortunately, the training in nutrition I got in Medical School was close to none.  Neither have I taken the time to learn it later.  Homeopathy took all my learning time.  For this reason, I am always reluctant to give advice on nutrition.  Luckily, there are experts in this area of medicine as well.  Here is a nice site:
http://www.doctoryourself.com

If your child is myopic (has a "minus" eyeglass prescription), you've got to read this info:
http://www.myopia.org/

Tips for insomnia:
http://www.tipsforinsomnia.info