- Friedrich Engels. Die Bremer Jahre 1838-1841 by Johann G. König, 2007
- Friedrich Engels: "Die Lage der arbeitenden Klasse in England." Ein herausragendes Werk in der Gesellschaftsanalyse? (German Edition) by Kurt Fuchs, 2007-09-10
- Familie, Staat und Gesellschaftsformation: Grundprobleme vorkapitalistischer Epochen einhundert Jahre nach Friedrich Engels' Werk "Der Ursprung der Familie, ... der Wissenschaften der DDR) (German Edition) by Joachim Herrmann, 1988
- Texte aus der Rheinischen Zeitung von 1842-43: Mit Friedrich Engels' Artikeln im Anhang (German Edition) by Karl Marx, 1984
- Engels After Marx by Manfred B. Steger, 1999-08-01
- Karl Marx and Frederick Engels: Collected Works (Karl Marx, Frederick Engels: Collected Works) by Karl Marx, Friedrich Engels, 1989-11
- Engels, Manchester, and the Working Class by Steven Marcus, 1985-04
- Karl Marx and Friedrich Engels: correspondence, 1846-1895;: A selection with commentary and notes by Karl Marx, 1934
- Marx Engels: Selected works. by Karl; Engels, Friedrich Marx, 1982
- Feuerbach; The Roots of the Socialist Philosophy by Friedrich Engels, 2010-07-24
- The Communist Manifesto by Friedrich Engels, Karl Marx, 2010-09-16
- The Communist Manifesto / The Communist Manifesto 150 Years Later by Karl Marx, Friedrich Engels, et all 1998-04-01
- Capital: a critique of political economy by Friedrich Engels Karl Marx, 2009-08-12
- Engels on Capital;: Synopsis, reviews, letters and supplementary material by Friedrich Engels, 1937
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