History of economic thought died, Engels completed the second volume of "Das Kapital" from his notes. Marx wrote his magnum opus "Das Kapital" (1867) at the British Museum's library in London. Karl Marx begins with the concept of commodities. Before capitalism, says Marx, production was based on slavery – in ancient Rome for example – then serfdom in the feudal societies of medieval Europe. The current mode of labor exchange has produced an erratic and unstable situation allowing the conditions for revolution. People buy and sell their labor as people buy and sell goods and services. People themselves have become disposable commodities. As Marx
Biographies of Karl Marx / New York: John Wiley & Sons.[3] Originally published as part of a series "Modern Sociologists". Reissued 1963. Published in original German version 1967. Translated in Italian, French, Spanish and Greek. Many times reissued. Written by Heinrich Gemkow. Marx, Life and Works (New York: Macmillan, 1980) Karl Marx: An intellectual biography is a biography of Karl Marx by Rolf Hosfeld. Marx I is a biography by Michel Henry. Followed by Marx II. Karl Marx: Anthropologist is a book by American professor and chair of anthropology Thomas C. Patterson. Karl Marx: An Overview of his Biographies by Angelo Segrillo. Biographies of