Part One of the Encyclopedia of Philosophical Sciences: The Logic| www.marxists.org
A page in the Encyclopedia of Marxism| www.marxists.org
A page in the Encyclopedia of Marxism| www.marxists.org
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A page in the Encyclopedia of Marxism| www.marxists.org
A page in the Encyclopedia of Marxism| www.marxists.org
Leon Trotsky: The U.S.S.R. and Problems of the Transitional Epoch (1938)| www.marxists.org
Contribution to the Critique of Political Economy| www.marxists.org
Capital: Volume One| www.marxists.org
Capital Vol. I : Chapter Three (Money, or the Circulation of Commodities)| www.marxists.org
Manifesto of the Communist Party| www.marxists.org