Information About Mastiffs
http://www.webbusiness.no/webprivat/mastiff/
American Kennel Club
http://www.akc.org
American Society for the Prevention of Cruelty to Animals (ASPCA)
http://www.aspca.org/
Animal Poison Control Center (APCC)
http://www.aspca.org/pet-care/poison-control/
Canine Eye Registry Foundation (CERF)
http://www.vmdb.org/cerf.html
Canine Health Information Center (CHIC)
http://www.caninehealthinfo.org
Orthopedic Foundation for Animals (OFA)
http://www.offa.org/
OptiGen for the Genetic Advantage
http://optigen.com/
Copper’s Mastiffs
Warrenton, VA (48 miles West of Washington, DC)
http://coopersmastiffs.com/
Castle Mount Mastiffs
Clinton, PA (44 miles West of Pittsburg)
http://www.castlemountmastiffs.com/
Celestial Mastiffs
Lehighton, PA (77 miles North of Philadelphia)
http://www.celestialmastiffs.com/
Mastiff Club of America, Inc. (MCOC)
http://www.mastiff.org/