The Animal Research Foundation (ARF) is America's oldest all breed registry and was established in 1947. The ARF Gives recognition and registration of working stockdogs, rare breeds, standard breeds and designer breeds.
The ARF was the first to organize the English Shepherd Club of America, register the Catahoula Leopard, Australian Cattledog Queensland Heeler, American Bulldog

American Bulldog

The American Bulldog is a breed of working dog that was developed in the United States. There are generally considered to be three types of American bulldog: the Bully or Classic type , the Standard or Performance type , and the Hybrid type...

, Texas Heeler, English Bulldogge, Alapaha Blue Blood Bulldog and Australian Shepherd.