The Marx and Engels Collected Works is the a carefully compiled collection of translations into English of the most significant works of Karl Marx and Friederich Engels.Marx and Engels founded Marxist theory. In 1848 the co-authored The Communist Manifesto was published. Later, Engels supported Marx financially to do research and write Das Kapital.Marxism is a social, political, and economic philosophy named after Karl Marx. Engels developed what is now known as Marxism together with Karl Marx. Karl Marx The Communist ManifestoKarl Marx The Capital Karl Marx The Eighteenth Brumaire of Louis BonaparteKarl Marx A Contribution to the Critique of Political EconomyFriederich Engels Socialism: Utopian and ScientificFriederich Engels The Origin of the Family Private Property and the StateFriederich Engels Feuerbach: The roots of the socialist philosophy