American Guernsey Association
Provide and promoting programs and services to enhance the value and profitability of the Guernsey Cattle breed for the members, owners and dairy industry worldwide.
Iowa Guernsey Association
Guernsey cattle breeders in Iowa - includes awards, semen available, and member information.
South African Guernsey Cattle Breeders' Socie
Breed history, breed characteristics, and contact information.
World Guernsey Cattle Federation
Information and worldwide news about Guernsey cattle