- Jack Russell Terrier Club of America - as the largest Jack Russell Terrier club and registry in the world, the JRTCA was founded to protect and preserve the unique characteristics and working heritage of this great little terrier, and remains dedicated to that purpose today.
- Russell Rescue, Inc. - a national network of volunteers dedicated to placing unwanted or abandoned Jack Russells into permanent homes.
- Russell Rescue, Inc. Available Terriers - a list of Jack Russell Terriers available from Russell Rescue, Inc.
- Printz Photography - photographer Lisa Prince Fishler (Hudson Valley, New York) specializes in Pets and is an advocate for Animal Rescue and Adoption.
- SitStay.com - Good for Your Dog Supplies - Treats, Toys, Beds, Kennels, Collars & more.
- MyApartmentMap.com - listings of Pet Friendly Apartments all over the USA.
- Apartment List - ApartmentList delivers a comprehensive set of apartment listings.
- Maddie's Pet Rescue Project in NYC - Maddie's Fund, The Pet Rescue Foundation, is a family foundation funded by PeopleSoft and Workday Founder, Dave Duffield, and his wife, Cheryl, to help create a no-kill nation.