John Somerville, The system followed during the two last years by the Board of agriculture

Полный вариант заголовка: «The system followed during the two last years by the Board of agriculture : further illustrated with dissertations on the growth and produce of sheep and wool, as well Spanish as English : also observations upon, and a new plan for, the poor, and poor laws : to which are added remarks on the modes of culture and implements of husbandry, used in Portugal : and an inquiry into the causes of the late scarcity and means proposed to remedy it in future : illustrated with plates / by John, Lord Somerville».