There are several good resources to find a listing of reputable breeders. One is the American Kennel Organization that has a listing of all registered breeders and the other is The Breeders Club that also has a listing of registered breeders.
yes..from breeders
The best place to look for a reputable breeder when buying a dog in the UK is the Kennel Club. Those breeders registered with the Kennel Club have agreed to comply with a strict code of ethics.
The spelling is two words "kennel club" (dog breeders association).
Your best bet is to contact a Kennel Club Accredited Breeder via the Kennel Club website. They will be able to put you in touch with responsible breeders in your area. Do not accept a backyard breeders puppy, or a puppy that has not had a health check.
If you contact The Leonberger Club of Ontario and the Leonberger Club of Canada they can put you in touch with breeders & rescues within the province. A respectable breed club follows a Code Of Ethics allowing you to meet good breeders who do proper health testing and hopefully ensuring you will find a healthy puppy.
Try the Vizsla Club's web site: http://vcaweb.org/
Apart form the fact that you have not said where in the world you are asking about, WikiAnswers can not give commercial recommendations. I suggest you get in touch with you country's "kennel club" or dog breeders association for advice.
There are many companies and individual breeders that offer Catahoula dogs for sale. Some of these companies or breeders are American Kennel Club, Abney Catahoulas and Puppy Find.
www.arba.netThe American Rabbit Breeders Association is the Club of Standards Based Breeders for Rabbits, much like the AKC "American Kennel Club" for dogs.You can find regional, state and local clubs and breeders.Also if you use any search engine and type in rabbit websites you will find some.
The American Kennel Club would be an excellent resource. They would be able to put you in contact with reputable registered breeders. Their website is a wonderful resource for finding, and vetting breeders.
The UKC stands for United Kennel Club and is a club for dog fanciers and breeders. The UKC has many branches in the United States. It's headquarters however are in Kalamazoo, Michigan.