Reeder Custom Guns www.reedercustomguns.com
Jack Russell Research Foundation (JRTRF) www.jrt-reasearch.com
Jack Russell Health Registry www.jrthealthregistry.com
Jack Russell Terrier Club of America (JRTCA) www.therealjackrussell.com
is the National Breed Club and Registry for the Jack Russell Terrier in the US. The JRTCA is the largest Jack Russell Terrier club and registry in the world.