<<Disclaimer: Verify this information before applying it to your situation.>>

Thanks everyone for the feedback. I was amazed how many people answered me
so quickly!

The site for Clan Thompson's Pocket Guides is
http://www.idsl.net/celiac/

Then there also is a medicine guide from Stokes Pharmacy:
http://www.stokesrx.com/celiac.html

Someone mentioned the following sites as being helpful in general:
http://www.celiac.com/forbiden.html
http://www.enabling.org/ia/celiac/gfdiet.html

Thanks again to everyone!