The breed registry for the Clydesdale horse in the United States.

Official registry of Clydesdale Horses in Canada, pedigree database.

Initiated on the eve of the Glasgow Stallion Show in England in 1877 with the first volume of the Clydesdale Stud Book published the following year. Provides extensive information on the breed including history, stud book, events, shows and photo gallery.

Established in 1921 to promote and preserve the breed in Australia. Membership and breed standard, calendar, history.

Encourages and develops Clydesdale breeding in eastern Ontario and western Quebec, Canada. Includes membership list, classes, show results, characteristics and origin of the breed, and contacts.