LENIN ON THE February Revolution 1917 - texts- and quotations collection http://ciml.250x.com/archive/lenin/english/lenin_on_the_february-revolution_1917_quotations_and_texts.html
Circular Letter from Karl Marx and Frederick Engels 1879 http://hiaw.org/defcon6/works/1879/09/18.html
Lenin: 180. TELEGRAM TO THE OREL AND KURSK GUBERNIA EXECUTIVE COMMITTEES AND GUBERNIA PARTY COMMITTEES https://www.marxists.org/archive/lenin/works/1918/nov/09okg.htm