American Kennel Club
American Kennel Club: Pekingese: Shih Tzu
The page by the American Kennel Club provides facts, breed standards, and video on the Shih Tzu.
Canis Major Publications
Dog Owner's Guide: Breed Profiles
Articles about many different dog breeds. Each gives an in-depth look at its characteristics, temperament and such. Great resource!
A-Z Animals
A Z Animals: Animal Facts: Shih Tzu
Provides a photograph and some facts about the Shih Tzu, a popular small dog breed.