Capital, Volume I (1867), by Karl Marx, is a critical analysis of capitalism as political economy, meant to reveal the economic laws of the capitalist mode of production, how it was the precursor of the socialist mode of production, and of the class struggle rooted in the capitalist social relations of production. The first of three volumes of Capital: Critique of Political Economy was published on 14 September 1867, and was the sole volume published in Marx's lifetime. This volume is registered in the Memory of the World Programme of UNESCO together with manuscripts of The Communist Manifesto in June 2013