3 links
Bullmastiff Breed Standard
akc.org
Official description of the breed as provided by the American Kennel Club (AKC).
Bullmastiff Information on the Internet
bullmastiff.org
Links to breeders, breed web sites, rescue, discussion lists, questions to ask a breeder, and hip dysplasia.
What the Prudent Buyer Should Know
bullmastiffinfo.org
Questions to ask breeders, how to adopt a Bullmastiff, owner responsibilities, message board, and a referral list.