Frédéric BASTIAT (1801–1850). Letter, Paris, November 30, 1849, to George R. Porter in London; 1 page, in-8. [George Richardson Porter (1792–1852), an English statistician, worked at the Board of Trade; he had married Sarah Ricardo, David Ricardo’s sister.] He presents Porter with a copy of his book *Economic Harmonies*, which he has just published: “It addresses the issues only from a very general perspective, and in that regard it is hardly worthy of appreciation by the eminently practical minds of your compatriots. But I am in a country where even the most basic ideas need to be clarified.” This is only the first volume of the work…