IntroductionPART 1 THE GERMAN CONTRIBUTION 1883-1914Friedrich Engels and the Marxian Legacy, 1883-1895Engels and the 'Prize Essay Competition' in the Theory of ValueFirst Debates in Value Theory, 1895-1914Bernstein, Kautsky and the Revisionist ControversyFinance Capitalism and Imperialism: Karl Kautsky and Rudolf Hilferding. Capital Accumulation, Imperialism and War: Rosa Luxemburg and Otto BauerPART 2 THE RUSSIAN CONTRIBUTION TO 1917The Inheritance of Russian MarxismThe Political Economy of Plekhanov Populism and Orthodox Marxism in the 1890sRussian RevisionismLenin's Political Economy, 1905-1914Trotsky on Uneven and Combined DevelopmentImperialism and War: Bukharin and LeninPART 3 SOCIAL DEMOCRACY AND COMMUNISM 1917-1929The Revival of RevisionismCommunist Economics in the 1920sHenryk Grossman and the Breakdown of CapitalismConclusion: Marxian Economics in 1929.