• 15 Journals, Magazines, Newspapers
• 2 Books

• 15 Artificial insemination
• 15 Breeding
• 15 Bulls
• 12 Dairy cattle
• 10 Holstein-Friesian cattle
• 2 Cattle
• 2 Library resources
• 1 Beef cattle
• 1 Geography
• 1 Government libraries
• 1 Maps
• 1 Social sciences
• 1 University of London. Library

• 2 Genus Breeding (Firm)
• 2 Great Britain. Milk Marketing Board
• 2 Premier Breeders Limited
• 1 Black & White Sires Ltd.
• 1 Bovex Livestock
• 1 British Library of Political and Economic Science
• 1 Comfort, A. F
• 1 Hampshire Cattle Breeders Society Limited
• 1 Herdwise Limited
• 1 Loveless, Christina
• 1 Quality Cattle Breeders
• 1 Quality Cattle Breeders Limited
• 1 Select Sires Limited
• 1 Somerset Cattle Breeding Centre
• 1 Supersires (Firm)
• 1 University of London. Library

• 17 English

• 2 London

• 15 Pedigrees

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