Libertarian Marxism is a broad scope of economic and political philosophies that emphasize the anti-authoritarian and libertarian aspects of Marxism. Early currents of libertarian Marxism such as left communism emerged in opposition to Marxism–Leninism.[citation needed]
Non-Leninist Marxism: Writings on the Workers Councils (a collection of writings by Gorter, Pannekoek, Pankhurst, and Ruhle). Red and Black Publishers, St Petersburg, Florida, 2007. ISBN978-0979181368.
The International Communist Current, itself a Left Communist grouping, has produced a series of studies of what it views as its own antecedents. The book on the German-Dutch current, which is by Philippe Bourrinet (who later left the ICC), in particular contains an exhaustive bibliography.