↑ Non-Leninist Marxism: Writings on the Workers Councils (includes texts by Gorter, Pannekoek, Pankhurst and Rühle), Red and Black Publishers, St Petersburg, Florida, 2007. ISBN 978-0-9791813-6-8 ↑ http://en.internationalism.org/wr/336/anarchism ↑ "The Legacy of De Leonism, part III: De Leon's misconceptions on class struggle".