Photos of the various terrier breeds can be found on the American Kennel Club website. The AKC keeps extensive records on the different terrier breeds, which feature pictures and detailed information about the dogs that can be used for comparison purposes.
The listings on the American Kennel Club's website include character traits of each dog as well as the history associated with the breed. Every listing comes with a detailed examination of the breeds' physical characteristics and how each breed of terrier is distinct from one another. Information on how to properly feed and groom each terrier breed is also included.