Karl Marx Quotes about Revolution

Karl Marx, Friedrich Engels (1977). “Karl Marx, Frederick Engels: Collected Works”, International Pub
Karl Marx, Friedrich Engels, Clemens Palme Dutt (1895). “The Class Struggles in France (1848-50)”
Karl Marx, Friedrich Engels (1975). “Karl Marx, Frederick Engels: collected works”, Intl Pub
Karl Marx, David McLellan (2000). “Karl Marx: Selected Writings”, p.296, Oxford University Press, USA
"Challenge to Karl Marx, Volume 25". Book by John Kenneth Turner (p. 219), 1941.