BOSTON TERRIER
FCI: http://www.fci.be/en/nomenclature/BOSTON-TERRIER-140.html
AKC: https://www.akc.org/dog-breeds/boston-terrier/
FRANCIA BULLDOG
FCI: http://www.fci.be/en/nomenclature/FRENCH-BULLDOG-101.html
AKC: https://www.akc.org/dog-breeds/french-bulldog/
MOPSZ
FCI: http://www.fci.be/en/nomenclature/PUG-253.html
AKC: https://www.akc.org/dog-breeds/pug/
PDCA: https://www.pugdogclubofamerica.com/illustrated-standard.html
GRIFFONOK
FCI: http://www.fci.be/en/nomenclature/GRIFFON-BRUXELLOIS-80.html
http://www.fci.be/en/nomenclature/GRIFFON-BELGE-81.html