Tract I. A solution of the important question, whether a poor country, where raw materials and provisions are cheap, and wages low, can supplant the trade of a rich manufacturing country, where raw materials and provisions are dear, and the price of labour high, with a postscript obviating objections -- Tract II. The case of going to war for the sake of trade, considered in a new light, being the fragment of a greater work -- Tract III. A letter from a merchant in London, to his nephew in America concerning the late and present disturbances in the colonies -- Tract IV. The true interest of Great Britain set forth in regard to the colonies, and the only means of living in peace and harmony with them.