http://www.bjcp.org/
Beer Judge Certification Program (BJCP). The purpose of BJCP is to promote beer literacy and the appreciation of real beer, and to recognize beer tasting and evaluation skills.

http://www.beertown.org/
American Homebrewers Association. You can join the AHA or renew membership through the PA Alers and save $5,00 per year!!!

http://www.hbd.org/
Home Brew Digest - free, quality educational material and communications portals to home brewers and beer enthusiasts

http://www.hop-shoppe.com/
The Hop Shoppe, Milton, PA. Quality home brewing ingredients and equipment.

http://www.keystonehomebrew.com/
Keystone Homebrew Supply brings you the best service and supplies for making beer and wine at home.

http://www.independencebrewpub.com/
Independence Brewpub, Philadelphia

http://www.selinsgrovebrewing.com/
Selin's Grove Brewing. Home of the green hop beer...

http://www.howtobrew.com/
Welcome to How to Brew - the definitive book on making quality beers at home.

http://www.byo.com/
The how-to homebrew beer magazine.