A plan of the English commerce. : Being a compleat prospect of the trade of this nation, as well the home trade as the foreign. In three parts. Part I. Containing a view of the present magnitude of the English trade ... Part II. Containing an answer to that great and important question now depending, whether our trade, and especially our manufactures, are in a declining condition, or no? Part III. Containing several proposals entirely new, for extending and improving our trade ...