Bulldogs are prone to health problems. Is breeding them cruel? : NPR

All about the French Bulldog Breed

English bulldogs, ThatOne, EBD

Dog fighting - Wikipedia

The Shape of a Dogs Head Can Affect Their Sleep Flat-faced dogs' popularity comes at a high cost in terms of health. : r/science

UK Study Confirms English Bulldogs Are a Genetic Tragedy

French bulldogs are now the US's most popular dog. Here's the dilemma of the designer dog - Vox

Advocacy - The Bulldog Club of America

Dog health: Don't buy a bulldog until breed is reshaped, vets plead

Pet News & Articles, Urban Pet Hospital Blog

Study: English bulldogs at twice the risk of breeding-related health problems

Edinburgh Evening News - A court in Norway has ruled the breeding of brachycephalic dogs like pugs and French Bulldogs is cruel They are prone to breathing problems and other health conditions

All about the French Bulldog Breed

Shibas voted worst dog breed in the world : NPR