Das Kapital sciences published before 1950. In "Das Kapital" (1867), Marx proposes that the motivating force of capitalism is in the exploitation of labor, whose unpaid work is the ultimate source of surplus value. The owner of the means of production is able to claim the right to this surplus value because he or she is legally protected by the ruling regime through property rights and the legally established distribution of shares which are by law only to be distributed to company owners and their board members. The historical section shows how these rights were acquired in the first place chiefly through
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