Calhoun, Craig J. (2002). Classical Sociological Theory. Oxford: Wiley-Blackwell. ISBN 978-0-631-21348-2. Hobsbawm, Eric (2011). How to Change the World: Tales of Marx and Marxism. London: Little, Brown. ISBN 978-1-4087-0287-1. McLellan, David (2006). Karl Marx: A Biography (fourth edition). Hampshire: Palgrave MacMillan. ISBN 978-1-4039-9730-2. Nicolaievsky, Boris; Maenchen-Helfen, Otto (1976) [1936]. Karl Marx: Man and Fighter. trans. Gwenda David and Eric Mosbacher. Harmondsworth and New York: Pelican. ISBN 978-1-4067-2703-6. Schwarzschild, Leopold (1986) [1948]. The Red Prussian: Life and Legend of Karl Marx. Pickwick Books Ltd. ISBN 978-0-948859-00-7. Singer, Peter (1980). Marx. Oxford: Oxford University Press. ISBN 978-0-19-287510-5. Sperber, Jonathan (2013). Karl Marx: A Nineteenth-Century Life. W.W. Norton & Co. ISBN 978-0-87140-467-1. Stedman Jones, Gareth (2016). Karl Marx: Greatness and Illusion. London: Allen Lane. ISBN 978-0-7139-9904-4. Stokes, Philip (2004). Philosophy: 100 Essential Thinkers. Kettering: Index Books. ISBN 978-0-572-02935-7. Vygodsky, Vitaly (1973). The Story of a Great Discovery: How Karl Marx wrote "Capital". Verlag Die Wirtschaft. Wheen, Francis (2001). Karl Marx. London: Fourth Estate. ISBN 978-1-85702-637-5.