Links

The GCCF is the primary governing body of the Cat Fancy in the United Kingdom - the feline equivalent of the Kennel Club.
http://www.gccfcats.org

The Abyssinian Cat Club was founded in 1929 primarily to promote the pure breeding of the Abyssinian Cat and is the oldest Abyssinian breed club in the UK
http://www.abyssiniancatclub.com

The Abyssinian Cat Association - the U.K. association for Abyssinian cats.The primary aim of the Association is to promote interest in the owning, breeding, exhibiting and care of all colours of Abyssinian cats.
http://www.theabycat.com

The Russian Blue Breeders Association is open to all lovers of Russian Blues. Despite the name, you don't have to be a breeder to join, in fact you don't even have to own a cat. An interest in the breed is all that is required.
http://www.russianblue.org.uk

The Short-Haired Cat Society is the senior Breed Club for British and Foreign Shorthairs. It was first constituted in 1901 catering for all the then known Shorthair breeds, including Russians.
http://www.shcat.com