BOURGELAT, [Claude]. A New System of Horsemanship, translated by Richard Berenger, London: Henry Woodfall, 1754, 4°, first and only English edition, engraved frontispiece, errata slip pasted down at end, contemporary calf (extremities rubbed, stained) -- William Gibson. A New Treatise on the Diseases of Horses, London: for A. Millar, 1754, volume II only, 8°, second edition, 30 engraved plates, contemporary calf (rubbed, hinges cracked). (2)