- Engels: A Revolutionary Life: A Biography of Friedrich Engels by John Green, 2008-01
- Karl Marx and Friedrich Engels by David Riazanov, 1974-02-01
- The Peasant War in Germany by Friedrich Engels, 2000-03
- Friedrich Engels: His Life and Thought by Terrell Carver, 1991-07-26
- Manifest der Kommunistischen Partei (German Edition) by Karl Marx, 2007-11-21
- The Bourgeois Epoch: Marx and Engels on Britain, France, and Germany by Richard F Hamilton, 2009-04-13
- Karl Marx on Society and Social Change: With Selections by Friedrich Engels (Heritage of Sociology Series) by Karl Marx, 1975-08-15
- Karl Marx and Friedrich Engels on Literature and Art (Documents on Marxist aesthetics) by Karl Marx, Friedrich Engels, 1974-05
- Briefe Von Ferdinand Lassalle an Karl Marx Und Friedrich Engels, 1849 Bis 1862 (German Edition) by Ferdinand Lassalle, Friedrich Engels, et all 2010-01-12
- Friedrich Engels In Seiner Fruhzeit, 1820 Bis 1851 (1920) (German Edition) by Gustav Mayer, 2009-12-07
- Karl Marx and Friedrich Engels on Religion by Karl and Friedrich Engels; Reinhold Niebuhr, intro. Marx, 1971
- Preussische Profile: Friedrich II., Neithardt von Gneisenau, Otto von Bismarck, Theodor Fontane, Helmuth von Moltke, Friedrich Engels, Erich Ludendorff, ... Tresckow, Ernst Niekisch (German Edition) by Sebastian Haffner, 1980
- Revolution and counter-revolution in Germany by Friedrich Engels, 1977
- Eduard Bernsteins Briefwechsel mit Friedrich Engels. by Helmut Hirsch, 1970-01-01
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