- Bulldog Breeds - Breed descriptions, photographs, forum, and a directory of breeders.
- Encyclopaedia Romana: Molossian - Molossian dogs in Ancient Greece and Rome.
- Fila Brasileiro and Neopolitan Mastiff - Historical photographs from the early 1900's to the present document the histories of the two breeds.
- Fila Brasileiro Web Ring - Websites about South American and Iberian Molosser breeds.
- Imperiale - Pedigrees and photographs. St. Clair Shores, Michigan.
- Molosser Breeders Association - Breed information, dog show results, and lots of pictures.
- Molosser Dog - Dutch/English database on dogs in general, and Molosser breeds in particular.
- Molosser Dogs - Interactive portal for the owners of the descendants of the ancient Molosser Dogs. Users can post their own information and pictures.
- Molosser World - Pictures and information about Molosser breeds.
- Molossers-WorldWide Email List - Discussion of the future well being of molosser breeds in a group setting as opposed to the many individual breed lists that precludes information and remedy sharing.
- The Origins of the Mastiff - Article about decendents of the ancient mastiff. Reprinted from Canis Max, Winter 1996/1997. All rights are reserved by the author, Tamara Taylor.
- Web Ring: The Molosser Ring - Molosser breed websites.
- Working Mastiff and Bulldog Web Ring - Websites of working Molossers, including all Mastiff and Bulldog breeds.
Rescues and Shelters
- Midwest South Mastiff Rescue - They exist to place stray or abandoned Mastiffs in adoptive homes. News, adoption application, pictures of dogs in need of homes, breed description, and how to help.
- Kennel.ru - Breeds Rottweilers, Dogue de Bordeaux, and Chinese Crested dogs. Information about dogs, shows, puppies, publications, and books. [Russia]
- Kimbertal Kennels - Breeder of Doberman Pinschers, Rottweilers, and Fila Brasileiros. Training and boarding. Kimberton, PA.
- Merry Boxers - Breeder of Boxers and English Bulldogs. Features pictures and breed information. [Daytona Beach, Florida]
- Shearer's Cream of the Crop - Breeding Pugs, Bulldogs and French Bulldogs as pets and showdogs. Features picture gallery, pet and stud contracts,links, and contact information. [Kentucky]