Developed in Germany as a medium-sized security dog, the Boxer combines the blood of a mastiff-type breed, which was used for hunting, herding and protection, with the British Bulldog.
CKC Obedience Trial Rules and Regulations, Appendix
THE CANADIAN KENNEL CLUB BOOK OF DOGS, Centennial Edition by The Canadian Kennel Club: As New Hardcover (1989)
DOG SHOWS IN THE CANADIAN KENNEL CLUB
Canadian Kennel Club - Canada
Registering Your Dogs & Litters with CKC
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