AKC - Sealyham Terrier - Breed standard according to the American Kennel Club.

Century Sealyhams - Memory lane of Sealyham terriers. The history behind the sealyham terrier including hunting famous dogs and early sealyham shows. New updates every month with presentations of famous kennels.

Sealyham Terrier Book - Foyles handbook for Sealyham lovers written by Mrs. Freda Chenuz breed information and history.

Sealyham Terrier Site - All details from the United Kingdom dog shows for the breed.