Basset Hound Club of America, Inc at www.basset-bhca.org/ , The American Kennel Club at www.akc.org/ , or a local Basset Hound breed club (refer to the useful addresses below) and request names of breeders in your area.
Attend dog shows and talk to breeders, handlers and other owners who may be able to give you referrals on obtaining a puppy.
Refer to Basset Hound breed publications like the TALLY-HO, official newsletter of the Basset Hound Club of America.
Ask your veterinarian or people in your local dog club or training center if they know of reputable AKC Basset Hound breeders in your area.