Schutzhund Links:

What is Schutzhund - Big Sky Schutzhund
Choosing a puppy for Schutzhund
United Schutzhund Clubs of America
DVG
DFW Working Dogs - Dallas based Schutzhund club
German Shepherd Dog League of the UK Working Branch
South Valley Sports Dog Club - Surrey, UK
DVG - FH rules
DVG - VDH/SchH Rules
Schutzhund-Training.com
Armin Winkler training articles
Working Dog Web - All kinds of training articles
Workingdogs.com - Various training articles
North West K9 - Various articles
Wildhaus Kennels - Various articles

German Shepherd Links:

K9DB - connecting K9 buyers, importers and sellers for family, police k9, personal protection, and schutzhund dogsport!
Pedigree Database - German Shepherd Pedigrees
TP HundeGuide - German Shepherd Pedigrees
DDR German Shepherd Pedigrees
Max v. Stephanitz - The GSD Breed's Creator - his thoughts on breeding, training, temperament etc.
German Shepherd Coat Colors and Lengths - 4GSD.net
Breed Types, variations of German Shepherds and related breeds - Shawlein
Wannaer Höhen Kennels in Germany

Breeding Links:

Breeding Better Dogs
Schaferhund - Pregnancy Calendar
Soft Maple Curlies Litter Diary
Marilyn Brotherton - Articles on breeding and raising puppies