William Cavendish, 1st Duke of Newcastle

The true method of dieting horses. Containing many curious and useful observations concerning their marks, colour and external shape; their temper and instinct; and how they are to be governed, so as to prevent accidents and diseases. The proper method of feeding suited to their age, strength and constitution ... Under which is likewise contain'd the right and proper exercise ... As also observations concerning the right ordering of troop horses, with a discourse of breeding, founded on the Duke of Newcastle's short method / [W. Gibson].