Das Kapital in the British Library, London. At the time of his death (1883), Marx had prepared the manuscript for "Das Kapital, Volume IV", a critical history of theories of surplus value of his time, the nineteenth century. The philosopher Karl Kautsky (1854–1938) published a partial edition of Marx's surplus-value critique and later published a full, three-volume edition as "Theorien über den Mehrwert" ("Theories of Surplus Value", 1905–1910). The first volume was published in English as "A History of Economic Theories" (1952). "Capital, Volume I" (1867) was published in Marx’s lifetime, but he died in 1883 before completing the manuscripts for "Capital,
Differential and absolute ground rent Differential and absolute ground rent Differential ground rent and absolute ground rent are concepts used by Karl Marx in the third volume of Das Kapital to explain how the capitalist mode of production would operate in agricultural production, under the condition where most agricultural land was owned by a social class of land-owners who obtained rent income from those who farmed the land. The farm work could be done by the landowner himself, the tenant of the landowner, or by hired farm workers. Rent as an economic category is regarded by Marx as one form of surplus value just like