Protection and Free Trade - An inquiry whether protective duties can benefit the interests of a country in the aggregate - including an examination into the nature of value, and the agency of the natural forces in producing it is an unchanged, high-quality reprint of the original edition of 1875. Hansebooks is editor of the literature on different topic areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres. As a publisher we focus on the preservation of historical literature. Many works of historical writers and scientists are available today as antiques only. Hansebooks newly publishes these books and contributes to the preservation of literature which has become rare and historical knowledge for the future.