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Guernsey cattle - Wikipedia
Guernsey Cow: Facts, Pictures, Uses, Origins & Characteristics
Guernsey Cattle: Origins, History, and Breed Profile
Guernsey - The Cattle Site
American Guernsey Association | Golden Guernsey
Breed Facts - English Guernsey Cattle Society
Guernsey | Dairy, Brown, Hardy | Britannica
Guernsey Cattle - The Livestock Conservancy
Our 'Guernseys' - Guernsey Dairy
The Excellent Modern Dairy Breed - The World Guernsey Cattle Federation