The pages which form the subject of the present pamphlet, first 
published as three articles in the Revue socialiste,” have been 
translated from the latest book by Engels Revolution in Science.” 

Frederick Engels, one of the foremost representatives of 
contemporary socialism, distinguished himself in 1844 with his 
Outlines of a Critique of Political Economy, which first appeared in 
the Deutsch-Franzésische Jahrbiicher, published in Paris by Marx and 
Ruge. The Outlines already formulates certain general principles 
of scientific socialism. Engels was then living in Manchester, where