Well, my favorite, from the horse's mouth, is at: http://marxists.org/archive/marx/works/1847/11/prin-com.htm It's Engels "The Principles of Communism", effectively a Marxist FAQ, published in 1914, by Eduard Bernstein in the German Social Democratic Party’s Vorwärts!; but originally written in 1847. It's a great starting document. David Walters