Our literature is rich enough in works on the principles of Political Economy. So far as the translator is informed, however, it possesses none in which the science is treated in accordance with the historical method. We may therefore venture to express the hope that this translation will fill a place hitherto unoccupied in the literatures of England and America, and fill it all the more efficiently and acceptably, as Professor ROSCHER is the founder and still the leader of the historical school of Political Economy
