- The Origin of the Family, Private Property and the State (Penguin Classics) by Friedrich Engels, 2010-06-29
- The Communist Manifesto by Karl Marx, Friedrich Engels, 2010-09-17
- The Origin of the Family, Private Property, and the State, in the Light of the Researches of Lewis H. Morgan by Friedrich Engels, 1972-06
- The Condition of the Working Class in England (Oxford World's Classics) by Friedrich Engels, 2009-08-03
- Capital: a critique of political economy by Friedrich Engels Karl Marx, 2009-08-12
- The Collected Works of Friedrich Engels (Halcyon Classics) by Friedrich Engels, 2009-10-15
- The Marx-Engels Reader (Second Edition) by Karl Marx, Friedrich Engels, 1978-03-17
- Karl Marx Frederick Engels: Collected Works : Engels : 1883-86 (Karl Marx, Frederick Engels: Collected Works) by Karl Marx, Friedrich Engels, 1995-01
- Socialism, Utopian and scientific by Friedrich Engels, 2010-09-13
- The Role of Force in History by Friedrich Engels, 2006-03-10
- The Condition of the Working-Class in England in 1844 by Friedrich Engels, 2010-09-15
- Karl Marx and Friedrich Engels by David Riazanov, 1974-02-01
- Collected Works of Karl Marx and Friedrich Engels, 1843-44, Vol. 3: By Marx and Engels, Including "Critique of Hegel's Philosophy of Right," the "Manuscripts of 1844" by Karl Marx, Friedrich Engels, 1973-06
- Das kommunistische Manifest (The Communist Manifesto) (Mediacon German Language Classics) (German Edition) by Karl Marx, Engels Friedrich, 2009-05-10
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