- Blackstone Animal Clinic – Dr. Hickey’s veterinary clinic in Blackstone, Virginia
- JRTCA – The official website of The Jack Russell Terrier Club of America
- Paw Print Pedigrees Breeder
- Jack Russell Terrier Museum and Crawford Library
- VJRTC – Virginia Jack Russell Terrier Club – affiliate of the JRTCA
- Jack Russell Terrier Research Foundation
- Russell Rescue – Jack Russell Terrier rescue organization