Political arithmetic. Containing observations on the present state of Great Britain; and the principles of her policy in the encouragement of agriculture. Addressed to the Oeconomical Societies established in Europe. To which is Added, A Memoir on the Corn Trade: Drawn up and laid before the Commissioners of the Treasury. By Governor Pownall. By Arthur Young, Esq. F. R. S. Author of the Tours through England-Honorary Member of the Societies of Dublin, York, and Manchester, and of the Oeconomical Society of Berne in Switzerland [electronic resource].