Title: Farm Dogs: A Comprehensive Breed Guide to 93 Guardians, Herders, Terriers, and Other Canine Working Partners, Author: Janet Vorwald Dohner
Title: Herding Dogs: Progressive Training, Author: Vergil S. Holland
Title: Livestock Guardians: Using Dogs, Donkeys, and Llamas to Protect Your Herd, Author: Janet Vorwald Dohner
Title: Livestock Protection Dogs: Selection, Care and Training, Author: David Sims