[JONES, Thomas]. A Cardiganshire Landlord's Advice to his Tenants, Bristol: Biggs & Cottle, 1800, 8°, folding engraved plate (browned and slightly creased at margins, partially detached), one wood-engraved illustration, contemporary half morocco, marbled boards (lightly rubbed and soiled) -- [BOARD OF AGRICULTURE]. George KAY. General View of the Agriculture of North Wales, Edinburgh: John Moir, 1794, 4° [bound with:] Basil QUAYLE. General View of the Agriculture of the Isle of Man, London: C. Macrae, 1794, 4° [and] James DONALDSON. General View of the Agriculture of the Carse of Gowrie, London: C. Macrae, 1794, 4° [and] William MARSHALL. General View of the Agriculture of the Central Highlands, London: T. Wright, 1794, 4°, one engraved map, one folding table, contemporary boards (lightly rubbed). (2)