Edward Mayhew (1864). “The Illustrated Horse Management: Containing Descriptive Remarks Upon Anatomy, Medicine, Shoeing, Teeth, Food, Vices, Stables : Likewise a Plain Account of the Situation, Nature and Value of the Various Points : Together with Comments on Grooms, Dealers, Breeders, Breakers and Trainers : Also, on Carriages and Harness”, p.10