Robert Torrens, An essay on the external corn trade

Полный вариант заголовка: «An essay on the external corn trade : containing an inquiry into the General Principles of that important branch of traffic; an examination of the exceptions to which these principles are liable; and a comparative statement of the effects which restrictions on importation and free intercourse, are calculated to produce upon subsistence, agriculture, commerce, and revenue / by R. Torrens».