by William Roscher ; from the thirteenth (1877) German edition, with additional chapters furnished by the author, for this first English and American edition, on paper money, international trade, and the protective system ; and a preliminary essay on the historical method in political economy (from the French) by L. Wolowski ; the whole translated by John J. Lalor ; v. 1, v. 2. -- Callaghan, 1878.