Clydesdale Stud Book
Clydesdale Horse Society of the United Kingdom of Great Britain and Ireland
West Mainland, East Mainland, Roussy, . . . South Ronaldebay, Shapinsay, Westray, . . . Central H.B. Society, General, О Bigger and Peebles, County, Scottish Central, Perth & Coupar Angus, Central, Dunblane, Doune, & Callander, OBKNEY.